Home / 43,731.60-65,581.28-15,644.04

Finding the Fourth Proportional to 43,731.60, 65,581.28 and 15,644.04

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Solution

The fourth proportional to 43,731.60, 65,581.28 and 15,644.04 is: 23,460.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,731.60 : 65,581.28 = 15,644.04 : x
  2. Step 2: Convert to fraction form
    43,731.60/65,581.28 = 15,644.04/x
  3. Step 3: Cross multiply
    43,731.60x = 65,581.28 × 15,644.04
  4. Step 4: Simplify right side
    43,731.60x = 1,025,956,167.57
  5. Step 5: Solve for x
    x = 1,025,956,167.57/43,731.60
  6. Step 6: Final answer
    x = 23,460.29

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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.