Home / 39,614.24-54,666.78-21,708.86

Finding the Fourth Proportional to 39,614.24, 54,666.78 and 21,708.86

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Solution

The fourth proportional to 39,614.24, 54,666.78 and 21,708.86 is: 29,957.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,614.24 : 54,666.78 = 21,708.86 : x
  2. Step 2: Convert to fraction form
    39,614.24/54,666.78 = 21,708.86/x
  3. Step 3: Cross multiply
    39,614.24x = 54,666.78 × 21,708.86
  4. Step 4: Simplify right side
    39,614.24x = 1,186,753,473.67
  5. Step 5: Solve for x
    x = 1,186,753,473.67/39,614.24
  6. Step 6: Final answer
    x = 29,957.75

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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.