Home / 39,465.52-54,463.77-21,561.89

Finding the Fourth Proportional to 39,465.52, 54,463.77 and 21,561.89

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Solution

The fourth proportional to 39,465.52, 54,463.77 and 21,561.89 is: 29,756.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,465.52 : 54,463.77 = 21,561.89 : x
  2. Step 2: Convert to fraction form
    39,465.52/54,463.77 = 21,561.89/x
  3. Step 3: Cross multiply
    39,465.52x = 54,463.77 × 21,561.89
  4. Step 4: Simplify right side
    39,465.52x = 1,174,341,545.41
  5. Step 5: Solve for x
    x = 1,174,341,545.41/39,465.52
  6. Step 6: Final answer
    x = 29,756.14

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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.