Home / 38,382.53-52,967.34-21,388.03

Finding the Fourth Proportional to 38,382.53, 52,967.34 and 21,388.03

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Solution

The fourth proportional to 38,382.53, 52,967.34 and 21,388.03 is: 29,515.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,382.53 : 52,967.34 = 21,388.03 : x
  2. Step 2: Convert to fraction form
    38,382.53/52,967.34 = 21,388.03/x
  3. Step 3: Cross multiply
    38,382.53x = 52,967.34 × 21,388.03
  4. Step 4: Simplify right side
    38,382.53x = 1,132,867,056.94
  5. Step 5: Solve for x
    x = 1,132,867,056.94/38,382.53
  6. Step 6: Final answer
    x = 29,515.17

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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.