Home / 36,998.40-55,461.76-13,618.56

Finding the Fourth Proportional to 36,998.40, 55,461.76 and 13,618.56

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Solution

The fourth proportional to 36,998.40, 55,461.76 and 13,618.56 is: 20,414.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,998.40 : 55,461.76 = 13,618.56 : x
  2. Step 2: Convert to fraction form
    36,998.40/55,461.76 = 13,618.56/x
  3. Step 3: Cross multiply
    36,998.40x = 55,461.76 × 13,618.56
  4. Step 4: Simplify right side
    36,998.40x = 755,309,306.27
  5. Step 5: Solve for x
    x = 755,309,306.27/36,998.40
  6. Step 6: Final answer
    x = 20,414.65

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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.