Home / 39,122.49-53,988.35-22,355.13

Finding the Fourth Proportional to 39,122.49, 53,988.35 and 22,355.13

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Solution

The fourth proportional to 39,122.49, 53,988.35 and 22,355.13 is: 30,849.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,122.49 : 53,988.35 = 22,355.13 : x
  2. Step 2: Convert to fraction form
    39,122.49/53,988.35 = 22,355.13/x
  3. Step 3: Cross multiply
    39,122.49x = 53,988.35 × 22,355.13
  4. Step 4: Simplify right side
    39,122.49x = 1,206,916,470.96
  5. Step 5: Solve for x
    x = 1,206,916,470.96/39,122.49
  6. Step 6: Final answer
    x = 30,849.68

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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.