Home / 72,346.68-108,546.12-38,577.18

Finding the Fourth Proportional to 72,346.68, 108,546.12 and 38,577.18

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Solution

The fourth proportional to 72,346.68, 108,546.12 and 38,577.18 is: 57,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,346.68 : 108,546.12 = 38,577.18 : x
  2. Step 2: Convert to fraction form
    72,346.68/108,546.12 = 38,577.18/x
  3. Step 3: Cross multiply
    72,346.68x = 108,546.12 × 38,577.18
  4. Step 4: Simplify right side
    72,346.68x = 4,187,403,209.54
  5. Step 5: Solve for x
    x = 4,187,403,209.54/72,346.68
  6. Step 6: Final answer
    x = 57,879.69

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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.