Home / 33,056.76-45,626.04-21,130.32

Finding the Fourth Proportional to 33,056.76, 45,626.04 and 21,130.32

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Solution

The fourth proportional to 33,056.76, 45,626.04 and 21,130.32 is: 29,164.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,056.76 : 45,626.04 = 21,130.32 : x
  2. Step 2: Convert to fraction form
    33,056.76/45,626.04 = 21,130.32/x
  3. Step 3: Cross multiply
    33,056.76x = 45,626.04 × 21,130.32
  4. Step 4: Simplify right side
    33,056.76x = 964,092,825.53
  5. Step 5: Solve for x
    x = 964,092,825.53/33,056.76
  6. Step 6: Final answer
    x = 29,164.77

Related Problems

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Half scale
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Double scale
Find fourth proportional to 33,057.76, 45,627.42 and 21,131.32
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.