Home / 83,433.60-125,150.40-30,832.20

Finding the Fourth Proportional to 83,433.60, 125,150.40 and 30,832.20

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Solution

The fourth proportional to 83,433.60, 125,150.40 and 30,832.20 is: 46,248.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,433.60 : 125,150.40 = 30,832.20 : x
  2. Step 2: Convert to fraction form
    83,433.60/125,150.40 = 30,832.20/x
  3. Step 3: Cross multiply
    83,433.60x = 125,150.40 × 30,832.20
  4. Step 4: Simplify right side
    83,433.60x = 3,858,662,162.88
  5. Step 5: Solve for x
    x = 3,858,662,162.88/83,433.60
  6. Step 6: Final answer
    x = 46,248.30

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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.