Home / 51,688.12-71,331.32-29,031.10

Finding the Fourth Proportional to 51,688.12, 71,331.32 and 29,031.10

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Solution

The fourth proportional to 51,688.12, 71,331.32 and 29,031.10 is: 40,063.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,688.12 : 71,331.32 = 29,031.10 : x
  2. Step 2: Convert to fraction form
    51,688.12/71,331.32 = 29,031.10/x
  3. Step 3: Cross multiply
    51,688.12x = 71,331.32 × 29,031.10
  4. Step 4: Simplify right side
    51,688.12x = 2,070,826,578.30
  5. Step 5: Solve for x
    x = 2,070,826,578.30/51,688.12
  6. Step 6: Final answer
    x = 40,063.88

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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.