Home / 57,078.23-85,617.93-25,489.90

Finding the Fourth Proportional to 57,078.23, 85,617.93 and 25,489.90

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Solution

The fourth proportional to 57,078.23, 85,617.93 and 25,489.90 is: 38,235.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,078.23 : 85,617.93 = 25,489.90 : x
  2. Step 2: Convert to fraction form
    57,078.23/85,617.93 = 25,489.90/x
  3. Step 3: Cross multiply
    57,078.23x = 85,617.93 × 25,489.90
  4. Step 4: Simplify right side
    57,078.23x = 2,182,392,259.86
  5. Step 5: Solve for x
    x = 2,182,392,259.86/57,078.23
  6. Step 6: Final answer
    x = 38,235.11

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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.