Home / 72,002.12-108,023.22-22,083.84

Finding the Fourth Proportional to 72,002.12, 108,023.22 and 22,083.84

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Solution

The fourth proportional to 72,002.12, 108,023.22 and 22,083.84 is: 33,131.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,002.12 : 108,023.22 = 22,083.84 : x
  2. Step 2: Convert to fraction form
    72,002.12/108,023.22 = 22,083.84/x
  3. Step 3: Cross multiply
    72,002.12x = 108,023.22 × 22,083.84
  4. Step 4: Simplify right side
    72,002.12x = 2,385,567,506.76
  5. Step 5: Solve for x
    x = 2,385,567,506.76/72,002.12
  6. Step 6: Final answer
    x = 33,131.91

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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.