Home / 40,278.59-60,418.52-12,198.93

Finding the Fourth Proportional to 40,278.59, 60,418.52 and 12,198.93

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Solution

The fourth proportional to 40,278.59, 60,418.52 and 12,198.93 is: 18,298.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,278.59 : 60,418.52 = 12,198.93 : x
  2. Step 2: Convert to fraction form
    40,278.59/60,418.52 = 12,198.93/x
  3. Step 3: Cross multiply
    40,278.59x = 60,418.52 × 12,198.93
  4. Step 4: Simplify right side
    40,278.59x = 737,041,296.18
  5. Step 5: Solve for x
    x = 737,041,296.18/40,278.59
  6. Step 6: Final answer
    x = 18,298.59

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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.