Home / 40,421.64-60,635.52-12,344.16

Finding the Fourth Proportional to 40,421.64, 60,635.52 and 12,344.16

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Solution

The fourth proportional to 40,421.64, 60,635.52 and 12,344.16 is: 18,517.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.64 : 60,635.52 = 12,344.16 : x
  2. Step 2: Convert to fraction form
    40,421.64/60,635.52 = 12,344.16/x
  3. Step 3: Cross multiply
    40,421.64x = 60,635.52 × 12,344.16
  4. Step 4: Simplify right side
    40,421.64x = 748,494,560.56
  5. Step 5: Solve for x
    x = 748,494,560.56/40,421.64
  6. Step 6: Final answer
    x = 18,517.17

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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.