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Finding the Fourth Proportional to 40,630.08, 60,945.12 and 11,047.92

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Solution

The fourth proportional to 40,630.08, 60,945.12 and 11,047.92 is: 16,571.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,630.08 : 60,945.12 = 11,047.92 : x
  2. Step 2: Convert to fraction form
    40,630.08/60,945.12 = 11,047.92/x
  3. Step 3: Cross multiply
    40,630.08x = 60,945.12 × 11,047.92
  4. Step 4: Simplify right side
    40,630.08x = 673,316,810.15
  5. Step 5: Solve for x
    x = 673,316,810.15/40,630.08
  6. Step 6: Final answer
    x = 16,571.88

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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.