Home / 48,279.88-72,419.76-13,222.30

Finding the Fourth Proportional to 48,279.88, 72,419.76 and 13,222.30

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Solution

The fourth proportional to 48,279.88, 72,419.76 and 13,222.30 is: 19,833.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,279.88 : 72,419.76 = 13,222.30 : x
  2. Step 2: Convert to fraction form
    48,279.88/72,419.76 = 13,222.30/x
  3. Step 3: Cross multiply
    48,279.88x = 72,419.76 × 13,222.30
  4. Step 4: Simplify right side
    48,279.88x = 957,555,792.65
  5. Step 5: Solve for x
    x = 957,555,792.65/48,279.88
  6. Step 6: Final answer
    x = 19,833.43

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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.