Home / 58,748.42-81,074.28-31,890.92

Finding the Fourth Proportional to 58,748.42, 81,074.28 and 31,890.92

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Solution

The fourth proportional to 58,748.42, 81,074.28 and 31,890.92 is: 44,010.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,748.42 : 81,074.28 = 31,890.92 : x
  2. Step 2: Convert to fraction form
    58,748.42/81,074.28 = 31,890.92/x
  3. Step 3: Cross multiply
    58,748.42x = 81,074.28 × 31,890.92
  4. Step 4: Simplify right side
    58,748.42x = 2,585,532,972.17
  5. Step 5: Solve for x
    x = 2,585,532,972.17/58,748.42
  6. Step 6: Final answer
    x = 44,010.26

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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.