Home / 72,344.06-108,521.70-21,739.14

Finding the Fourth Proportional to 72,344.06, 108,521.70 and 21,739.14

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Solution

The fourth proportional to 72,344.06, 108,521.70 and 21,739.14 is: 32,610.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,344.06 : 108,521.70 = 21,739.14 : x
  2. Step 2: Convert to fraction form
    72,344.06/108,521.70 = 21,739.14/x
  3. Step 3: Cross multiply
    72,344.06x = 108,521.70 × 21,739.14
  4. Step 4: Simplify right side
    72,344.06x = 2,359,167,886.73
  5. Step 5: Solve for x
    x = 2,359,167,886.73/72,344.06
  6. Step 6: Final answer
    x = 32,610.39

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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.