Home / 40,650.44-60,981.53-12,572.81

Finding the Fourth Proportional to 40,650.44, 60,981.53 and 12,572.81

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Solution

The fourth proportional to 40,650.44, 60,981.53 and 12,572.81 is: 18,861.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,650.44 : 60,981.53 = 12,572.81 : x
  2. Step 2: Convert to fraction form
    40,650.44/60,981.53 = 12,572.81/x
  3. Step 3: Cross multiply
    40,650.44x = 60,981.53 × 12,572.81
  4. Step 4: Simplify right side
    40,650.44x = 766,708,822.43
  5. Step 5: Solve for x
    x = 766,708,822.43/40,650.44
  6. Step 6: Final answer
    x = 18,861.02

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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.