Home / 57,040.08-85,565.98-21,531.31

Finding the Fourth Proportional to 57,040.08, 85,565.98 and 21,531.31

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Solution

The fourth proportional to 57,040.08, 85,565.98 and 21,531.31 is: 32,299.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,040.08 : 85,565.98 = 21,531.31 : x
  2. Step 2: Convert to fraction form
    57,040.08/85,565.98 = 21,531.31/x
  3. Step 3: Cross multiply
    57,040.08x = 85,565.98 × 21,531.31
  4. Step 4: Simplify right side
    57,040.08x = 1,842,347,640.83
  5. Step 5: Solve for x
    x = 1,842,347,640.83/57,040.08
  6. Step 6: Final answer
    x = 32,299.18

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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.