Home / 40,366.33-60,542.34-12,279.58

Finding the Fourth Proportional to 40,366.33, 60,542.34 and 12,279.58

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Solution

The fourth proportional to 40,366.33, 60,542.34 and 12,279.58 is: 18,417.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366.33 : 60,542.34 = 12,279.58 : x
  2. Step 2: Convert to fraction form
    40,366.33/60,542.34 = 12,279.58/x
  3. Step 3: Cross multiply
    40,366.33x = 60,542.34 × 12,279.58
  4. Step 4: Simplify right side
    40,366.33x = 743,434,507.42
  5. Step 5: Solve for x
    x = 743,434,507.42/40,366.33
  6. Step 6: Final answer
    x = 18,417.19

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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.