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Finding the Fourth Proportional to 40,553, 60,832.26 and 12,471.32

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Solution

The fourth proportional to 40,553, 60,832.26 and 12,471.32 is: 18,707.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,553 : 60,832.26 = 12,471.32 : x
  2. Step 2: Convert to fraction form
    40,553/60,832.26 = 12,471.32/x
  3. Step 3: Cross multiply
    40,553x = 60,832.26 × 12,471.32
  4. Step 4: Simplify right side
    40,553x = 758,658,580.78
  5. Step 5: Solve for x
    x = 758,658,580.78/40,553
  6. Step 6: Final answer
    x = 18,707.83

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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.