Home / 48,217.58-72,291.33-20,145.66

Finding the Fourth Proportional to 48,217.58, 72,291.33 and 20,145.66

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Solution

The fourth proportional to 48,217.58, 72,291.33 and 20,145.66 is: 30,203.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,217.58 : 72,291.33 = 20,145.66 : x
  2. Step 2: Convert to fraction form
    48,217.58/72,291.33 = 20,145.66/x
  3. Step 3: Cross multiply
    48,217.58x = 72,291.33 × 20,145.66
  4. Step 4: Simplify right side
    48,217.58x = 1,456,356,544.01
  5. Step 5: Solve for x
    x = 1,456,356,544.01/48,217.58
  6. Step 6: Final answer
    x = 30,203.85

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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.