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Finding the Fourth Proportional to 60,740.46, 83,821.92 and 35,251.80

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Solution

The fourth proportional to 60,740.46, 83,821.92 and 35,251.80 is: 48,647.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,740.46 : 83,821.92 = 35,251.80 : x
  2. Step 2: Convert to fraction form
    60,740.46/83,821.92 = 35,251.80/x
  3. Step 3: Cross multiply
    60,740.46x = 83,821.92 × 35,251.80
  4. Step 4: Simplify right side
    60,740.46x = 2,954,873,559.46
  5. Step 5: Solve for x
    x = 2,954,873,559.46/60,740.46
  6. Step 6: Final answer
    x = 48,647.53

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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.