Home / 57,748.38-86,633.37-18,294.90

Finding the Fourth Proportional to 57,748.38, 86,633.37 and 18,294.90

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Solution

The fourth proportional to 57,748.38, 86,633.37 and 18,294.90 is: 27,445.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,748.38 : 86,633.37 = 18,294.90 : x
  2. Step 2: Convert to fraction form
    57,748.38/86,633.37 = 18,294.90/x
  3. Step 3: Cross multiply
    57,748.38x = 86,633.37 × 18,294.90
  4. Step 4: Simplify right side
    57,748.38x = 1,584,948,840.81
  5. Step 5: Solve for x
    x = 1,584,948,840.81/57,748.38
  6. Step 6: Final answer
    x = 27,445.77

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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.