Home / 43,945.62-65,863.59-21,437.74

Finding the Fourth Proportional to 43,945.62, 65,863.59 and 21,437.74

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Solution

The fourth proportional to 43,945.62, 65,863.59 and 21,437.74 is: 32,129.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.62 : 65,863.59 = 21,437.74 : x
  2. Step 2: Convert to fraction form
    43,945.62/65,863.59 = 21,437.74/x
  3. Step 3: Cross multiply
    43,945.62x = 65,863.59 × 21,437.74
  4. Step 4: Simplify right side
    43,945.62x = 1,411,966,517.89
  5. Step 5: Solve for x
    x = 1,411,966,517.89/43,945.62
  6. Step 6: Final answer
    x = 32,129.86

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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.