Home / 40,231.60-60,355.86-12,153.76

Finding the Fourth Proportional to 40,231.60, 60,355.86 and 12,153.76

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Solution

The fourth proportional to 40,231.60, 60,355.86 and 12,153.76 is: 18,233.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,231.60 : 60,355.86 = 12,153.76 : x
  2. Step 2: Convert to fraction form
    40,231.60/60,355.86 = 12,153.76/x
  3. Step 3: Cross multiply
    40,231.60x = 60,355.86 × 12,153.76
  4. Step 4: Simplify right side
    40,231.60x = 733,550,637.03
  5. Step 5: Solve for x
    x = 733,550,637.03/40,231.60
  6. Step 6: Final answer
    x = 18,233.20

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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.