Home / 43,717.92-65,560.80-15,630.36

Finding the Fourth Proportional to 43,717.92, 65,560.80 and 15,630.36

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Solution

The fourth proportional to 43,717.92, 65,560.80 and 15,630.36 is: 23,439.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,717.92 : 65,560.80 = 15,630.36 : x
  2. Step 2: Convert to fraction form
    43,717.92/65,560.80 = 15,630.36/x
  3. Step 3: Cross multiply
    43,717.92x = 65,560.80 × 15,630.36
  4. Step 4: Simplify right side
    43,717.92x = 1,024,738,905.89
  5. Step 5: Solve for x
    x = 1,024,738,905.89/43,717.92
  6. Step 6: Final answer
    x = 23,439.79

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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.