Home / 20,693.17-31,034.61-5,902.21

Finding the Fourth Proportional to 20,693.17, 31,034.61 and 5,902.21

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Solution

The fourth proportional to 20,693.17, 31,034.61 and 5,902.21 is: 8,851.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,693.17 : 31,034.61 = 5,902.21 : x
  2. Step 2: Convert to fraction form
    20,693.17/31,034.61 = 5,902.21/x
  3. Step 3: Cross multiply
    20,693.17x = 31,034.61 × 5,902.21
  4. Step 4: Simplify right side
    20,693.17x = 183,172,755.98
  5. Step 5: Solve for x
    x = 183,172,755.98/20,693.17
  6. Step 6: Final answer
    x = 8,851.85

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1.5x scale

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.