Home / 63,418.28-95,129.73-21,299.75

Finding the Fourth Proportional to 63,418.28, 95,129.73 and 21,299.75

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Solution

The fourth proportional to 63,418.28, 95,129.73 and 21,299.75 is: 31,950.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,418.28 : 95,129.73 = 21,299.75 : x
  2. Step 2: Convert to fraction form
    63,418.28/95,129.73 = 21,299.75/x
  3. Step 3: Cross multiply
    63,418.28x = 95,129.73 × 21,299.75
  4. Step 4: Simplify right side
    63,418.28x = 2,026,239,347.66
  5. Step 5: Solve for x
    x = 2,026,239,347.66/63,418.28
  6. Step 6: Final answer
    x = 31,950.40

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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.