Home / 57,134.12-85,677.48-21,589.29

Finding the Fourth Proportional to 57,134.12, 85,677.48 and 21,589.29

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Solution

The fourth proportional to 57,134.12, 85,677.48 and 21,589.29 is: 32,374.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,134.12 : 85,677.48 = 21,589.29 : x
  2. Step 2: Convert to fraction form
    57,134.12/85,677.48 = 21,589.29/x
  3. Step 3: Cross multiply
    57,134.12x = 85,677.48 × 21,589.29
  4. Step 4: Simplify right side
    57,134.12x = 1,849,715,962.19
  5. Step 5: Solve for x
    x = 1,849,715,962.19/57,134.12
  6. Step 6: Final answer
    x = 32,374.98

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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.