Home / 51,548.29-71,141.62-28,891.10

Finding the Fourth Proportional to 51,548.29, 71,141.62 and 28,891.10

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Solution

The fourth proportional to 51,548.29, 71,141.62 and 28,891.10 is: 39,872.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,548.29 : 71,141.62 = 28,891.10 : x
  2. Step 2: Convert to fraction form
    51,548.29/71,141.62 = 28,891.10/x
  3. Step 3: Cross multiply
    51,548.29x = 71,141.62 × 28,891.10
  4. Step 4: Simplify right side
    51,548.29x = 2,055,359,657.58
  5. Step 5: Solve for x
    x = 2,055,359,657.58/51,548.29
  6. Step 6: Final answer
    x = 39,872.51

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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.