Home / 41,165.72-61,758.15-21,167.65

Finding the Fourth Proportional to 41,165.72, 61,758.15 and 21,167.65

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Solution

The fourth proportional to 41,165.72, 61,758.15 and 21,167.65 is: 31,756.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,165.72 : 61,758.15 = 21,167.65 : x
  2. Step 2: Convert to fraction form
    41,165.72/61,758.15 = 21,167.65/x
  3. Step 3: Cross multiply
    41,165.72x = 61,758.15 × 21,167.65
  4. Step 4: Simplify right side
    41,165.72x = 1,307,275,075.36
  5. Step 5: Solve for x
    x = 1,307,275,075.36/41,165.72
  6. Step 6: Final answer
    x = 31,756.40

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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.