Home / 51,517.79-71,095.45-28,856.59

Finding the Fourth Proportional to 51,517.79, 71,095.45 and 28,856.59

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Solution

The fourth proportional to 51,517.79, 71,095.45 and 28,856.59 is: 39,822.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,517.79 : 71,095.45 = 28,856.59 : x
  2. Step 2: Convert to fraction form
    51,517.79/71,095.45 = 28,856.59/x
  3. Step 3: Cross multiply
    51,517.79x = 71,095.45 × 28,856.59
  4. Step 4: Simplify right side
    51,517.79x = 2,051,572,251.52
  5. Step 5: Solve for x
    x = 2,051,572,251.52/51,517.79
  6. Step 6: Final answer
    x = 39,822.60

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.