Home / 55,248.40-76,240.14-31,371.92

Finding the Fourth Proportional to 55,248.40, 76,240.14 and 31,371.92

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Solution

The fourth proportional to 55,248.40, 76,240.14 and 31,371.92 is: 43,291.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,248.40 : 76,240.14 = 31,371.92 : x
  2. Step 2: Convert to fraction form
    55,248.40/76,240.14 = 31,371.92/x
  3. Step 3: Cross multiply
    55,248.40x = 76,240.14 × 31,371.92
  4. Step 4: Simplify right side
    55,248.40x = 2,391,799,572.87
  5. Step 5: Solve for x
    x = 2,391,799,572.87/55,248.40
  6. Step 6: Final answer
    x = 43,291.74

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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.