Home / 38,318.87-52,880.45-21,322.24

Finding the Fourth Proportional to 38,318.87, 52,880.45 and 21,322.24

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Solution

The fourth proportional to 38,318.87, 52,880.45 and 21,322.24 is: 29,424.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,318.87 : 52,880.45 = 21,322.24 : x
  2. Step 2: Convert to fraction form
    38,318.87/52,880.45 = 21,322.24/x
  3. Step 3: Cross multiply
    38,318.87x = 52,880.45 × 21,322.24
  4. Step 4: Simplify right side
    38,318.87x = 1,127,529,407.40
  5. Step 5: Solve for x
    x = 1,127,529,407.40/38,318.87
  6. Step 6: Final answer
    x = 29,424.91

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Half scale
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Double scale
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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.