Home / 83,058.76-124,587.50-20,728.84

Finding the Fourth Proportional to 83,058.76, 124,587.50 and 20,728.84

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Solution

The fourth proportional to 83,058.76, 124,587.50 and 20,728.84 is: 31,093.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,058.76 : 124,587.50 = 20,728.84 : x
  2. Step 2: Convert to fraction form
    83,058.76/124,587.50 = 20,728.84/x
  3. Step 3: Cross multiply
    83,058.76x = 124,587.50 × 20,728.84
  4. Step 4: Simplify right side
    83,058.76x = 2,582,554,353.50
  5. Step 5: Solve for x
    x = 2,582,554,353.50/83,058.76
  6. Step 6: Final answer
    x = 31,093.10

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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.