Home / 39,531.53-54,553.94-21,626.15

Finding the Fourth Proportional to 39,531.53, 54,553.94 and 21,626.15

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Solution

The fourth proportional to 39,531.53, 54,553.94 and 21,626.15 is: 29,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,531.53 : 54,553.94 = 21,626.15 : x
  2. Step 2: Convert to fraction form
    39,531.53/54,553.94 = 21,626.15/x
  3. Step 3: Cross multiply
    39,531.53x = 54,553.94 × 21,626.15
  4. Step 4: Simplify right side
    39,531.53x = 1,179,791,308.63
  5. Step 5: Solve for x
    x = 1,179,791,308.63/39,531.53
  6. Step 6: Final answer
    x = 29,844.32

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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.