Home / 51,699.42-71,343.36-31,589.91

Finding the Fourth Proportional to 51,699.42, 71,343.36 and 31,589.91

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Solution

The fourth proportional to 51,699.42, 71,343.36 and 31,589.91 is: 43,592.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,699.42 : 71,343.36 = 31,589.91 : x
  2. Step 2: Convert to fraction form
    51,699.42/71,343.36 = 31,589.91/x
  3. Step 3: Cross multiply
    51,699.42x = 71,343.36 × 31,589.91
  4. Step 4: Simplify right side
    51,699.42x = 2,253,730,321.50
  5. Step 5: Solve for x
    x = 2,253,730,321.50/51,699.42
  6. Step 6: Final answer
    x = 43,592.95

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1.5x scale

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.