Home / 83,487.43-125,280.29-30,933.55

Finding the Fourth Proportional to 83,487.43, 125,280.29 and 30,933.55

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Solution

The fourth proportional to 83,487.43, 125,280.29 and 30,933.55 is: 46,418.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,487.43 : 125,280.29 = 30,933.55 : x
  2. Step 2: Convert to fraction form
    83,487.43/125,280.29 = 30,933.55/x
  3. Step 3: Cross multiply
    83,487.43x = 125,280.29 × 30,933.55
  4. Step 4: Simplify right side
    83,487.43x = 3,875,364,114.73
  5. Step 5: Solve for x
    x = 3,875,364,114.73/83,487.43
  6. Step 6: Final answer
    x = 46,418.53

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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.