Home / 41,147.36-61,732.20-13,445.36

Finding the Fourth Proportional to 41,147.36, 61,732.20 and 13,445.36

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Solution

The fourth proportional to 41,147.36, 61,732.20 and 13,445.36 is: 20,171.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,147.36 : 61,732.20 = 13,445.36 : x
  2. Step 2: Convert to fraction form
    41,147.36/61,732.20 = 13,445.36/x
  3. Step 3: Cross multiply
    41,147.36x = 61,732.20 × 13,445.36
  4. Step 4: Simplify right side
    41,147.36x = 830,011,652.59
  5. Step 5: Solve for x
    x = 830,011,652.59/41,147.36
  6. Step 6: Final answer
    x = 20,171.69

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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.