Home / 48,292.80-72,387.60-20,205.76

Finding the Fourth Proportional to 48,292.80, 72,387.60 and 20,205.76

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Solution

The fourth proportional to 48,292.80, 72,387.60 and 20,205.76 is: 30,287.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,292.80 : 72,387.60 = 20,205.76 : x
  2. Step 2: Convert to fraction form
    48,292.80/72,387.60 = 20,205.76/x
  3. Step 3: Cross multiply
    48,292.80x = 72,387.60 × 20,205.76
  4. Step 4: Simplify right side
    48,292.80x = 1,462,646,472.58
  5. Step 5: Solve for x
    x = 1,462,646,472.58/48,292.80
  6. Step 6: Final answer
    x = 30,287.05

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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.