Home / 41,342.90-61,991.55-12,872.13

Finding the Fourth Proportional to 41,342.90, 61,991.55 and 12,872.13

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Solution

The fourth proportional to 41,342.90, 61,991.55 and 12,872.13 is: 19,301.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,342.90 : 61,991.55 = 12,872.13 : x
  2. Step 2: Convert to fraction form
    41,342.90/61,991.55 = 12,872.13/x
  3. Step 3: Cross multiply
    41,342.90x = 61,991.55 × 12,872.13
  4. Step 4: Simplify right side
    41,342.90x = 797,963,290.50
  5. Step 5: Solve for x
    x = 797,963,290.50/41,342.90
  6. Step 6: Final answer
    x = 19,301.10

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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.