Home / 55,528.92-76,635.18-30,382.20

Finding the Fourth Proportional to 55,528.92, 76,635.18 and 30,382.20

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Solution

The fourth proportional to 55,528.92, 76,635.18 and 30,382.20 is: 41,930.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,528.92 : 76,635.18 = 30,382.20 : x
  2. Step 2: Convert to fraction form
    55,528.92/76,635.18 = 30,382.20/x
  3. Step 3: Cross multiply
    55,528.92x = 76,635.18 × 30,382.20
  4. Step 4: Simplify right side
    55,528.92x = 2,328,345,365.80
  5. Step 5: Solve for x
    x = 2,328,345,365.80/55,528.92
  6. Step 6: Final answer
    x = 41,930.32

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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.