Home / 41,278.10-61,917.18-39,174.50

Finding the Fourth Proportional to 41,278.10, 61,917.18 and 39,174.50

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Solution

The fourth proportional to 41,278.10, 61,917.18 and 39,174.50 is: 58,761.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,278.10 : 61,917.18 = 39,174.50 : x
  2. Step 2: Convert to fraction form
    41,278.10/61,917.18 = 39,174.50/x
  3. Step 3: Cross multiply
    41,278.10x = 61,917.18 × 39,174.50
  4. Step 4: Simplify right side
    41,278.10x = 2,425,574,567.91
  5. Step 5: Solve for x
    x = 2,425,574,567.91/41,278.10
  6. Step 6: Final answer
    x = 58,761.78

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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.