Home / 72,225.62-108,339.66-19,633.82

Finding the Fourth Proportional to 72,225.62, 108,339.66 and 19,633.82

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Solution

The fourth proportional to 72,225.62, 108,339.66 and 19,633.82 is: 29,451.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,225.62 : 108,339.66 = 19,633.82 : x
  2. Step 2: Convert to fraction form
    72,225.62/108,339.66 = 19,633.82/x
  3. Step 3: Cross multiply
    72,225.62x = 108,339.66 × 19,633.82
  4. Step 4: Simplify right side
    72,225.62x = 2,127,121,383.30
  5. Step 5: Solve for x
    x = 2,127,121,383.30/72,225.62
  6. Step 6: Final answer
    x = 29,451.06

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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.