Home / 39,350.48-54,302.08-21,445.10

Finding the Fourth Proportional to 39,350.48, 54,302.08 and 21,445.10

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Solution

The fourth proportional to 39,350.48, 54,302.08 and 21,445.10 is: 29,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,350.48 : 54,302.08 = 21,445.10 : x
  2. Step 2: Convert to fraction form
    39,350.48/54,302.08 = 21,445.10/x
  3. Step 3: Cross multiply
    39,350.48x = 54,302.08 × 21,445.10
  4. Step 4: Simplify right side
    39,350.48x = 1,164,513,428.58
  5. Step 5: Solve for x
    x = 1,164,513,428.58/39,350.48
  6. Step 6: Final answer
    x = 29,593.38

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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.