Home / 48,262.20-72,413.92-20,188.76

Finding the Fourth Proportional to 48,262.20, 72,413.92 and 20,188.76

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Solution

The fourth proportional to 48,262.20, 72,413.92 and 20,188.76 is: 30,291.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,262.20 : 72,413.92 = 20,188.76 : x
  2. Step 2: Convert to fraction form
    48,262.20/72,413.92 = 20,188.76/x
  3. Step 3: Cross multiply
    48,262.20x = 72,413.92 × 20,188.76
  4. Step 4: Simplify right side
    48,262.20x = 1,461,947,251.54
  5. Step 5: Solve for x
    x = 1,461,947,251.54/48,262.20
  6. Step 6: Final answer
    x = 30,291.77

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1.5x scale

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.