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Finding the Fourth Proportional to 63,484, 87,608 and 35,193.92

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Solution

The fourth proportional to 63,484, 87,608 and 35,193.92 is: 48,567.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,484 : 87,608 = 35,193.92 : x
  2. Step 2: Convert to fraction form
    63,484/87,608 = 35,193.92/x
  3. Step 3: Cross multiply
    63,484x = 87,608 × 35,193.92
  4. Step 4: Simplify right side
    63,484x = 3,083,268,943.36
  5. Step 5: Solve for x
    x = 3,083,268,943.36/63,484
  6. Step 6: Final answer
    x = 48,567.65

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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.