Home / 44,780.56-67,168.40-13,613.38

Finding the Fourth Proportional to 44,780.56, 67,168.40 and 13,613.38

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Solution

The fourth proportional to 44,780.56, 67,168.40 and 13,613.38 is: 20,419.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,780.56 : 67,168.40 = 13,613.38 : x
  2. Step 2: Convert to fraction form
    44,780.56/67,168.40 = 13,613.38/x
  3. Step 3: Cross multiply
    44,780.56x = 67,168.40 × 13,613.38
  4. Step 4: Simplify right side
    44,780.56x = 914,388,953.19
  5. Step 5: Solve for x
    x = 914,388,953.19/44,780.56
  6. Step 6: Final answer
    x = 20,419.33

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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.