Home / 54,517.08-81,730.94-28,229.32

Finding the Fourth Proportional to 54,517.08, 81,730.94 and 28,229.32

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Solution

The fourth proportional to 54,517.08, 81,730.94 and 28,229.32 is: 42,320.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,517.08 : 81,730.94 = 28,229.32 : x
  2. Step 2: Convert to fraction form
    54,517.08/81,730.94 = 28,229.32/x
  3. Step 3: Cross multiply
    54,517.08x = 81,730.94 × 28,229.32
  4. Step 4: Simplify right side
    54,517.08x = 2,307,208,859.16
  5. Step 5: Solve for x
    x = 2,307,208,859.16/54,517.08
  6. Step 6: Final answer
    x = 42,320.84

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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.