Home / 42,014.08-57,980.52-23,151.20

Finding the Fourth Proportional to 42,014.08, 57,980.52 and 23,151.20

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Solution

The fourth proportional to 42,014.08, 57,980.52 and 23,151.20 is: 31,949.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,014.08 : 57,980.52 = 23,151.20 : x
  2. Step 2: Convert to fraction form
    42,014.08/57,980.52 = 23,151.20/x
  3. Step 3: Cross multiply
    42,014.08x = 57,980.52 × 23,151.20
  4. Step 4: Simplify right side
    42,014.08x = 1,342,318,614.62
  5. Step 5: Solve for x
    x = 1,342,318,614.62/42,014.08
  6. Step 6: Final answer
    x = 31,949.26

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Half scale
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Double scale
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Similar ratio
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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.