Home / 39,032.24-53,864.80-22,909.20

Finding the Fourth Proportional to 39,032.24, 53,864.80 and 22,909.20

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Solution

The fourth proportional to 39,032.24, 53,864.80 and 22,909.20 is: 31,614.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,032.24 : 53,864.80 = 22,909.20 : x
  2. Step 2: Convert to fraction form
    39,032.24/53,864.80 = 22,909.20/x
  3. Step 3: Cross multiply
    39,032.24x = 53,864.80 × 22,909.20
  4. Step 4: Simplify right side
    39,032.24x = 1,233,999,476.16
  5. Step 5: Solve for x
    x = 1,233,999,476.16/39,032.24
  6. Step 6: Final answer
    x = 31,614.88

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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.