Home / 56,109.89-84,158.61-20,084.91

Finding the Fourth Proportional to 56,109.89, 84,158.61 and 20,084.91

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Solution

The fourth proportional to 56,109.89, 84,158.61 and 20,084.91 is: 30,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,109.89 : 84,158.61 = 20,084.91 : x
  2. Step 2: Convert to fraction form
    56,109.89/84,158.61 = 20,084.91/x
  3. Step 3: Cross multiply
    56,109.89x = 84,158.61 × 20,084.91
  4. Step 4: Simplify right side
    56,109.89x = 1,690,318,107.58
  5. Step 5: Solve for x
    x = 1,690,318,107.58/56,109.89
  6. Step 6: Final answer
    x = 30,125.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.