Home / 43,921.65-65,948.09-43,265.55

Finding the Fourth Proportional to 43,921.65, 65,948.09 and 43,265.55

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Solution

The fourth proportional to 43,921.65, 65,948.09 and 43,265.55 is: 64,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,921.65 : 65,948.09 = 43,265.55 : x
  2. Step 2: Convert to fraction form
    43,921.65/65,948.09 = 43,265.55/x
  3. Step 3: Cross multiply
    43,921.65x = 65,948.09 × 43,265.55
  4. Step 4: Simplify right side
    43,921.65x = 2,853,280,550.17
  5. Step 5: Solve for x
    x = 2,853,280,550.17/43,921.65
  6. Step 6: Final answer
    x = 64,962.96

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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.