Home / 48,198.48-72,298.23-20,122.80

Finding the Fourth Proportional to 48,198.48, 72,298.23 and 20,122.80

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Solution

The fourth proportional to 48,198.48, 72,298.23 and 20,122.80 is: 30,184.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,198.48 : 72,298.23 = 20,122.80 : x
  2. Step 2: Convert to fraction form
    48,198.48/72,298.23 = 20,122.80/x
  3. Step 3: Cross multiply
    48,198.48x = 72,298.23 × 20,122.80
  4. Step 4: Simplify right side
    48,198.48x = 1,454,842,822.64
  5. Step 5: Solve for x
    x = 1,454,842,822.64/48,198.48
  6. Step 6: Final answer
    x = 30,184.41

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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.