Home / 63,904.05-88,194.15-38,418.72

Finding the Fourth Proportional to 63,904.05, 88,194.15 and 38,418.72

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Solution

The fourth proportional to 63,904.05, 88,194.15 and 38,418.72 is: 53,021.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,904.05 : 88,194.15 = 38,418.72 : x
  2. Step 2: Convert to fraction form
    63,904.05/88,194.15 = 38,418.72/x
  3. Step 3: Cross multiply
    63,904.05x = 88,194.15 × 38,418.72
  4. Step 4: Simplify right side
    63,904.05x = 3,388,306,023.76
  5. Step 5: Solve for x
    x = 3,388,306,023.76/63,904.05
  6. Step 6: Final answer
    x = 53,021.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.