Home / 43,945.12-65,862.85-21,437.24

Finding the Fourth Proportional to 43,945.12, 65,862.85 and 21,437.24

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Solution

The fourth proportional to 43,945.12, 65,862.85 and 21,437.24 is: 32,129.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,945.12 : 65,862.85 = 21,437.24 : x
  2. Step 2: Convert to fraction form
    43,945.12/65,862.85 = 21,437.24/x
  3. Step 3: Cross multiply
    43,945.12x = 65,862.85 × 21,437.24
  4. Step 4: Simplify right side
    43,945.12x = 1,411,917,615.35
  5. Step 5: Solve for x
    x = 1,411,917,615.35/43,945.12
  6. Step 6: Final answer
    x = 32,129.11

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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.