Home / 38,310.66-57,416.20-21,442.98

Finding the Fourth Proportional to 38,310.66, 57,416.20 and 21,442.98

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Solution

The fourth proportional to 38,310.66, 57,416.20 and 21,442.98 is: 32,136.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,310.66 : 57,416.20 = 21,442.98 : x
  2. Step 2: Convert to fraction form
    38,310.66/57,416.20 = 21,442.98/x
  3. Step 3: Cross multiply
    38,310.66x = 57,416.20 × 21,442.98
  4. Step 4: Simplify right side
    38,310.66x = 1,231,174,428.28
  5. Step 5: Solve for x
    x = 1,231,174,428.28/38,310.66
  6. Step 6: Final answer
    x = 32,136.60

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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.