Home / 56,672.20-85,008.30-34,121.80

Finding the Fourth Proportional to 56,672.20, 85,008.30 and 34,121.80

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Solution

The fourth proportional to 56,672.20, 85,008.30 and 34,121.80 is: 51,182.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,672.20 : 85,008.30 = 34,121.80 : x
  2. Step 2: Convert to fraction form
    56,672.20/85,008.30 = 34,121.80/x
  3. Step 3: Cross multiply
    56,672.20x = 85,008.30 × 34,121.80
  4. Step 4: Simplify right side
    56,672.20x = 2,900,636,210.94
  5. Step 5: Solve for x
    x = 2,900,636,210.94/56,672.20
  6. Step 6: Final answer
    x = 51,182.70

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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.