Home / 43,663.20-65,505.60-14,084.16

Finding the Fourth Proportional to 43,663.20, 65,505.60 and 14,084.16

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Solution

The fourth proportional to 43,663.20, 65,505.60 and 14,084.16 is: 21,129.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,663.20 : 65,505.60 = 14,084.16 : x
  2. Step 2: Convert to fraction form
    43,663.20/65,505.60 = 14,084.16/x
  3. Step 3: Cross multiply
    43,663.20x = 65,505.60 × 14,084.16
  4. Step 4: Simplify right side
    43,663.20x = 922,591,351.30
  5. Step 5: Solve for x
    x = 922,591,351.30/43,663.20
  6. Step 6: Final answer
    x = 21,129.72

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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.