Home / 74,360.45-111,540.67-21,769.93

Finding the Fourth Proportional to 74,360.45, 111,540.67 and 21,769.93

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Solution

The fourth proportional to 74,360.45, 111,540.67 and 21,769.93 is: 32,654.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,360.45 : 111,540.67 = 21,769.93 : x
  2. Step 2: Convert to fraction form
    74,360.45/111,540.67 = 21,769.93/x
  3. Step 3: Cross multiply
    74,360.45x = 111,540.67 × 21,769.93
  4. Step 4: Simplify right side
    74,360.45x = 2,428,232,469.20
  5. Step 5: Solve for x
    x = 2,428,232,469.20/74,360.45
  6. Step 6: Final answer
    x = 32,654.89

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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.