Home / 38,991.20-53,807.10-22,862.48

Finding the Fourth Proportional to 38,991.20, 53,807.10 and 22,862.48

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Solution

The fourth proportional to 38,991.20, 53,807.10 and 22,862.48 is: 31,549.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,991.20 : 53,807.10 = 22,862.48 : x
  2. Step 2: Convert to fraction form
    38,991.20/53,807.10 = 22,862.48/x
  3. Step 3: Cross multiply
    38,991.20x = 53,807.10 × 22,862.48
  4. Step 4: Simplify right side
    38,991.20x = 1,230,163,747.61
  5. Step 5: Solve for x
    x = 1,230,163,747.61/38,991.20
  6. Step 6: Final answer
    x = 31,549.78

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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.