Home / 41,570.10-62,355.51-11,988

Finding the Fourth Proportional to 41,570.10, 62,355.51 and 11,988

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Solution

The fourth proportional to 41,570.10, 62,355.51 and 11,988 is: 17,982.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,570.10 : 62,355.51 = 11,988 : x
  2. Step 2: Convert to fraction form
    41,570.10/62,355.51 = 11,988/x
  3. Step 3: Cross multiply
    41,570.10x = 62,355.51 × 11,988
  4. Step 4: Simplify right side
    41,570.10x = 747,517,853.88
  5. Step 5: Solve for x
    x = 747,517,853.88/41,570.10
  6. Step 6: Final answer
    x = 17,982.10

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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.