Home / 72,294.20-108,283.37-30,046.19

Finding the Fourth Proportional to 72,294.20, 108,283.37 and 30,046.19

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Solution

The fourth proportional to 72,294.20, 108,283.37 and 30,046.19 is: 45,003.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,294.20 : 108,283.37 = 30,046.19 : x
  2. Step 2: Convert to fraction form
    72,294.20/108,283.37 = 30,046.19/x
  3. Step 3: Cross multiply
    72,294.20x = 108,283.37 × 30,046.19
  4. Step 4: Simplify right side
    72,294.20x = 3,253,502,558.63
  5. Step 5: Solve for x
    x = 3,253,502,558.63/72,294.20
  6. Step 6: Final answer
    x = 45,003.65

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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.