Home / 48,698.26-72,992.02-20,600.78

Finding the Fourth Proportional to 48,698.26, 72,992.02 and 20,600.78

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Solution

The fourth proportional to 48,698.26, 72,992.02 and 20,600.78 is: 30,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,698.26 : 72,992.02 = 20,600.78 : x
  2. Step 2: Convert to fraction form
    48,698.26/72,992.02 = 20,600.78/x
  3. Step 3: Cross multiply
    48,698.26x = 72,992.02 × 20,600.78
  4. Step 4: Simplify right side
    48,698.26x = 1,503,692,545.78
  5. Step 5: Solve for x
    x = 1,503,692,545.78/48,698.26
  6. Step 6: Final answer
    x = 30,877.75

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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.