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Finding the Fourth Proportional to 40,545, 60,820.26 and 12,463.32

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Solution

The fourth proportional to 40,545, 60,820.26 and 12,463.32 is: 18,695.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,545 : 60,820.26 = 12,463.32 : x
  2. Step 2: Convert to fraction form
    40,545/60,820.26 = 12,463.32/x
  3. Step 3: Cross multiply
    40,545x = 60,820.26 × 12,463.32
  4. Step 4: Simplify right side
    40,545x = 758,022,362.86
  5. Step 5: Solve for x
    x = 758,022,362.86/40,545
  6. Step 6: Final answer
    x = 18,695.83

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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.