Home / 39,034.55-58,552.95-12,380.66

Finding the Fourth Proportional to 39,034.55, 58,552.95 and 12,380.66

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Solution

The fourth proportional to 39,034.55, 58,552.95 and 12,380.66 is: 18,571.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,034.55 : 58,552.95 = 12,380.66 : x
  2. Step 2: Convert to fraction form
    39,034.55/58,552.95 = 12,380.66/x
  3. Step 3: Cross multiply
    39,034.55x = 58,552.95 × 12,380.66
  4. Step 4: Simplify right side
    39,034.55x = 724,924,104.04
  5. Step 5: Solve for x
    x = 724,924,104.04/39,034.55
  6. Step 6: Final answer
    x = 18,571.35

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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.