Home / 48,185.60-66,517.50-30,976.16

Finding the Fourth Proportional to 48,185.60, 66,517.50 and 30,976.16

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Solution

The fourth proportional to 48,185.60, 66,517.50 and 30,976.16 is: 42,760.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,185.60 : 66,517.50 = 30,976.16 : x
  2. Step 2: Convert to fraction form
    48,185.60/66,517.50 = 30,976.16/x
  3. Step 3: Cross multiply
    48,185.60x = 66,517.50 × 30,976.16
  4. Step 4: Simplify right side
    48,185.60x = 2,060,456,722.80
  5. Step 5: Solve for x
    x = 2,060,456,722.80/48,185.60
  6. Step 6: Final answer
    x = 42,760.84

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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.