Home / 51,310.90-70,825.17-30,098.74

Finding the Fourth Proportional to 51,310.90, 70,825.17 and 30,098.74

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Solution

The fourth proportional to 51,310.90, 70,825.17 and 30,098.74 is: 41,545.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,310.90 : 70,825.17 = 30,098.74 : x
  2. Step 2: Convert to fraction form
    51,310.90/70,825.17 = 30,098.74/x
  3. Step 3: Cross multiply
    51,310.90x = 70,825.17 × 30,098.74
  4. Step 4: Simplify right side
    51,310.90x = 2,131,748,377.29
  5. Step 5: Solve for x
    x = 2,131,748,377.29/51,310.90
  6. Step 6: Final answer
    x = 41,545.72

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1.5x scale

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.