Home / 40,366.20-60,558.52-12,290.24

Finding the Fourth Proportional to 40,366.20, 60,558.52 and 12,290.24

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Solution

The fourth proportional to 40,366.20, 60,558.52 and 12,290.24 is: 18,438.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,366.20 : 60,558.52 = 12,290.24 : x
  2. Step 2: Convert to fraction form
    40,366.20/60,558.52 = 12,290.24/x
  3. Step 3: Cross multiply
    40,366.20x = 60,558.52 × 12,290.24
  4. Step 4: Simplify right side
    40,366.20x = 744,278,744.84
  5. Step 5: Solve for x
    x = 744,278,744.84/40,366.20
  6. Step 6: Final answer
    x = 18,438.17

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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.