Home / 48,229.20-72,343.80-30,711.60

Finding the Fourth Proportional to 48,229.20, 72,343.80 and 30,711.60

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Solution

The fourth proportional to 48,229.20, 72,343.80 and 30,711.60 is: 46,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,229.20 : 72,343.80 = 30,711.60 : x
  2. Step 2: Convert to fraction form
    48,229.20/72,343.80 = 30,711.60/x
  3. Step 3: Cross multiply
    48,229.20x = 72,343.80 × 30,711.60
  4. Step 4: Simplify right side
    48,229.20x = 2,221,793,848.08
  5. Step 5: Solve for x
    x = 2,221,793,848.08/48,229.20
  6. Step 6: Final answer
    x = 46,067.40

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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.