Home / 83,587.02-125,380.26-21,257.52

Finding the Fourth Proportional to 83,587.02, 125,380.26 and 21,257.52

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Solution

The fourth proportional to 83,587.02, 125,380.26 and 21,257.52 is: 31,886.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,587.02 : 125,380.26 = 21,257.52 : x
  2. Step 2: Convert to fraction form
    83,587.02/125,380.26 = 21,257.52/x
  3. Step 3: Cross multiply
    83,587.02x = 125,380.26 × 21,257.52
  4. Step 4: Simplify right side
    83,587.02x = 2,665,273,384.56
  5. Step 5: Solve for x
    x = 2,665,273,384.56/83,587.02
  6. Step 6: Final answer
    x = 31,886.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.