Home / 63,821.90-95,742.98-19,438.36

Finding the Fourth Proportional to 63,821.90, 95,742.98 and 19,438.36

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Solution

The fourth proportional to 63,821.90, 95,742.98 and 19,438.36 is: 29,160.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,821.90 : 95,742.98 = 19,438.36 : x
  2. Step 2: Convert to fraction form
    63,821.90/95,742.98 = 19,438.36/x
  3. Step 3: Cross multiply
    63,821.90x = 95,742.98 × 19,438.36
  4. Step 4: Simplify right side
    63,821.90x = 1,861,086,512.71
  5. Step 5: Solve for x
    x = 1,861,086,512.71/63,821.90
  6. Step 6: Final answer
    x = 29,160.63

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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.