Home / 65,390.30-98,043.23-27,974.78

Finding the Fourth Proportional to 65,390.30, 98,043.23 and 27,974.78

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Solution

The fourth proportional to 65,390.30, 98,043.23 and 27,974.78 is: 41,944.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,390.30 : 98,043.23 = 27,974.78 : x
  2. Step 2: Convert to fraction form
    65,390.30/98,043.23 = 27,974.78/x
  3. Step 3: Cross multiply
    65,390.30x = 98,043.23 × 27,974.78
  4. Step 4: Simplify right side
    65,390.30x = 2,742,737,369.46
  5. Step 5: Solve for x
    x = 2,742,737,369.46/65,390.30
  6. Step 6: Final answer
    x = 41,944.10

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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.