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Finding the Fourth Proportional to 48,769.76, 67,301.76 and 26,413.76

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Solution

The fourth proportional to 48,769.76, 67,301.76 and 26,413.76 is: 36,450.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,769.76 : 67,301.76 = 26,413.76 : x
  2. Step 2: Convert to fraction form
    48,769.76/67,301.76 = 26,413.76/x
  3. Step 3: Cross multiply
    48,769.76x = 67,301.76 × 26,413.76
  4. Step 4: Simplify right side
    48,769.76x = 1,777,692,536.22
  5. Step 5: Solve for x
    x = 1,777,692,536.22/48,769.76
  6. Step 6: Final answer
    x = 36,450.71

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1.5x scale

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.