Home / 83,509.38-125,280.44-30,919.32

Finding the Fourth Proportional to 83,509.38, 125,280.44 and 30,919.32

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Solution

The fourth proportional to 83,509.38, 125,280.44 and 30,919.32 is: 46,385.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,509.38 : 125,280.44 = 30,919.32 : x
  2. Step 2: Convert to fraction form
    83,509.38/125,280.44 = 30,919.32/x
  3. Step 3: Cross multiply
    83,509.38x = 125,280.44 × 30,919.32
  4. Step 4: Simplify right side
    83,509.38x = 3,873,586,014.10
  5. Step 5: Solve for x
    x = 3,873,586,014.10/83,509.38
  6. Step 6: Final answer
    x = 46,385.04

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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.