Home / 74,265.44-111,387.20-21,660.80

Finding the Fourth Proportional to 74,265.44, 111,387.20 and 21,660.80

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Solution

The fourth proportional to 74,265.44, 111,387.20 and 21,660.80 is: 32,488.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,265.44 : 111,387.20 = 21,660.80 : x
  2. Step 2: Convert to fraction form
    74,265.44/111,387.20 = 21,660.80/x
  3. Step 3: Cross multiply
    74,265.44x = 111,387.20 × 21,660.80
  4. Step 4: Simplify right side
    74,265.44x = 2,412,735,861.76
  5. Step 5: Solve for x
    x = 2,412,735,861.76/74,265.44
  6. Step 6: Final answer
    x = 32,488.00

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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.