Home / 83,407.47-125,110.74-20,227.55

Finding the Fourth Proportional to 83,407.47, 125,110.74 and 20,227.55

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Solution

The fourth proportional to 83,407.47, 125,110.74 and 20,227.55 is: 30,341.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,407.47 : 125,110.74 = 20,227.55 : x
  2. Step 2: Convert to fraction form
    83,407.47/125,110.74 = 20,227.55/x
  3. Step 3: Cross multiply
    83,407.47x = 125,110.74 × 20,227.55
  4. Step 4: Simplify right side
    83,407.47x = 2,530,683,748.89
  5. Step 5: Solve for x
    x = 2,530,683,748.89/83,407.47
  6. Step 6: Final answer
    x = 30,341.21

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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.