Home / 57,713.85-86,569.83-18,270.90

Finding the Fourth Proportional to 57,713.85, 86,569.83 and 18,270.90

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Solution

The fourth proportional to 57,713.85, 86,569.83 and 18,270.90 is: 27,406.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,713.85 : 86,569.83 = 18,270.90 : x
  2. Step 2: Convert to fraction form
    57,713.85/86,569.83 = 18,270.90/x
  3. Step 3: Cross multiply
    57,713.85x = 86,569.83 × 18,270.90
  4. Step 4: Simplify right side
    57,713.85x = 1,581,708,706.95
  5. Step 5: Solve for x
    x = 1,581,708,706.95/57,713.85
  6. Step 6: Final answer
    x = 27,406.05

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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.