Home / 36,318.30-54,331.65-31,442.10

Finding the Fourth Proportional to 36,318.30, 54,331.65 and 31,442.10

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Solution

The fourth proportional to 36,318.30, 54,331.65 and 31,442.10 is: 47,036.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.30 : 54,331.65 = 31,442.10 : x
  2. Step 2: Convert to fraction form
    36,318.30/54,331.65 = 31,442.10/x
  3. Step 3: Cross multiply
    36,318.30x = 54,331.65 × 31,442.10
  4. Step 4: Simplify right side
    36,318.30x = 1,708,301,172.47
  5. Step 5: Solve for x
    x = 1,708,301,172.47/36,318.30
  6. Step 6: Final answer
    x = 47,036.93

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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.