Home / 41,172.90-61,757.73-28,656.78

Finding the Fourth Proportional to 41,172.90, 61,757.73 and 28,656.78

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Solution

The fourth proportional to 41,172.90, 61,757.73 and 28,656.78 is: 42,984.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,172.90 : 61,757.73 = 28,656.78 : x
  2. Step 2: Convert to fraction form
    41,172.90/61,757.73 = 28,656.78/x
  3. Step 3: Cross multiply
    41,172.90x = 61,757.73 × 28,656.78
  4. Step 4: Simplify right side
    41,172.90x = 1,769,777,681.91
  5. Step 5: Solve for x
    x = 1,769,777,681.91/41,172.90
  6. Step 6: Final answer
    x = 42,984.04

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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.