Home / 39,418.72-59,122.50-11,341.15

Finding the Fourth Proportional to 39,418.72, 59,122.50 and 11,341.15

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Solution

The fourth proportional to 39,418.72, 59,122.50 and 11,341.15 is: 17,010.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,418.72 : 59,122.50 = 11,341.15 : x
  2. Step 2: Convert to fraction form
    39,418.72/59,122.50 = 11,341.15/x
  3. Step 3: Cross multiply
    39,418.72x = 59,122.50 × 11,341.15
  4. Step 4: Simplify right side
    39,418.72x = 670,517,140.88
  5. Step 5: Solve for x
    x = 670,517,140.88/39,418.72
  6. Step 6: Final answer
    x = 17,010.12

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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.