Home / 40,752.82-61,117.38-15,787.30

Finding the Fourth Proportional to 40,752.82, 61,117.38 and 15,787.30

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Solution

The fourth proportional to 40,752.82, 61,117.38 and 15,787.30 is: 23,676.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,752.82 : 61,117.38 = 15,787.30 : x
  2. Step 2: Convert to fraction form
    40,752.82/61,117.38 = 15,787.30/x
  3. Step 3: Cross multiply
    40,752.82x = 61,117.38 × 15,787.30
  4. Step 4: Simplify right side
    40,752.82x = 964,878,413.27
  5. Step 5: Solve for x
    x = 964,878,413.27/40,752.82
  6. Step 6: Final answer
    x = 23,676.36

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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.