Home / 51,731.05-71,388.22-29,073.88

Finding the Fourth Proportional to 51,731.05, 71,388.22 and 29,073.88

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Solution

The fourth proportional to 51,731.05, 71,388.22 and 29,073.88 is: 40,121.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,731.05 : 71,388.22 = 29,073.88 : x
  2. Step 2: Convert to fraction form
    51,731.05/71,388.22 = 29,073.88/x
  3. Step 3: Cross multiply
    51,731.05x = 71,388.22 × 29,073.88
  4. Step 4: Simplify right side
    51,731.05x = 2,075,532,541.69
  5. Step 5: Solve for x
    x = 2,075,532,541.69/51,731.05
  6. Step 6: Final answer
    x = 40,121.60

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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.