Home / 51,534.02-71,122.68-28,876.70

Finding the Fourth Proportional to 51,534.02, 71,122.68 and 28,876.70

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Solution

The fourth proportional to 51,534.02, 71,122.68 and 28,876.70 is: 39,853.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,534.02 : 71,122.68 = 28,876.70 : x
  2. Step 2: Convert to fraction form
    51,534.02/71,122.68 = 28,876.70/x
  3. Step 3: Cross multiply
    51,534.02x = 71,122.68 × 28,876.70
  4. Step 4: Simplify right side
    51,534.02x = 2,053,788,293.56
  5. Step 5: Solve for x
    x = 2,053,788,293.56/51,534.02
  6. Step 6: Final answer
    x = 39,853.06

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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.