Home / 58,799.29-81,141.65-31,941.20

Finding the Fourth Proportional to 58,799.29, 81,141.65 and 31,941.20

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Solution

The fourth proportional to 58,799.29, 81,141.65 and 31,941.20 is: 44,078.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,799.29 : 81,141.65 = 31,941.20 : x
  2. Step 2: Convert to fraction form
    58,799.29/81,141.65 = 31,941.20/x
  3. Step 3: Cross multiply
    58,799.29x = 81,141.65 × 31,941.20
  4. Step 4: Simplify right side
    58,799.29x = 2,591,761,670.98
  5. Step 5: Solve for x
    x = 2,591,761,670.98/58,799.29
  6. Step 6: Final answer
    x = 44,078.11

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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.