Home / 43,945.30-65,863.13-21,437.43

Finding the Fourth Proportional to 43,945.30, 65,863.13 and 21,437.43

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Solution

The fourth proportional to 43,945.30, 65,863.13 and 21,437.43 is: 32,129.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.30 : 65,863.13 = 21,437.43 : x
  2. Step 2: Convert to fraction form
    43,945.30/65,863.13 = 21,437.43/x
  3. Step 3: Cross multiply
    43,945.30x = 65,863.13 × 21,437.43
  4. Step 4: Simplify right side
    43,945.30x = 1,411,935,884.78
  5. Step 5: Solve for x
    x = 1,411,935,884.78/43,945.30
  6. Step 6: Final answer
    x = 32,129.39

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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.