Home / 43,516.64-65,253.43-15,432.49

Finding the Fourth Proportional to 43,516.64, 65,253.43 and 15,432.49

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Solution

The fourth proportional to 43,516.64, 65,253.43 and 15,432.49 is: 23,141.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,516.64 : 65,253.43 = 15,432.49 : x
  2. Step 2: Convert to fraction form
    43,516.64/65,253.43 = 15,432.49/x
  3. Step 3: Cross multiply
    43,516.64x = 65,253.43 × 15,432.49
  4. Step 4: Simplify right side
    43,516.64x = 1,007,023,006.80
  5. Step 5: Solve for x
    x = 1,007,023,006.80/43,516.64
  6. Step 6: Final answer
    x = 23,141.10

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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.