Home / 51,350.52-70,863.12-28,689.96

Finding the Fourth Proportional to 51,350.52, 70,863.12 and 28,689.96

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Solution

The fourth proportional to 51,350.52, 70,863.12 and 28,689.96 is: 39,591.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,350.52 : 70,863.12 = 28,689.96 : x
  2. Step 2: Convert to fraction form
    51,350.52/70,863.12 = 28,689.96/x
  3. Step 3: Cross multiply
    51,350.52x = 70,863.12 × 28,689.96
  4. Step 4: Simplify right side
    51,350.52x = 2,033,060,078.28
  5. Step 5: Solve for x
    x = 2,033,060,078.28/51,350.52
  6. Step 6: Final answer
    x = 39,591.81

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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.