Home / 40,788.20-61,204.59-15,829.24

Finding the Fourth Proportional to 40,788.20, 61,204.59 and 15,829.24

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Solution

The fourth proportional to 40,788.20, 61,204.59 and 15,829.24 is: 23,752.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,788.20 : 61,204.59 = 15,829.24 : x
  2. Step 2: Convert to fraction form
    40,788.20/61,204.59 = 15,829.24/x
  3. Step 3: Cross multiply
    40,788.20x = 61,204.59 × 15,829.24
  4. Step 4: Simplify right side
    40,788.20x = 968,822,144.21
  5. Step 5: Solve for x
    x = 968,822,144.21/40,788.20
  6. Step 6: Final answer
    x = 23,752.51

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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.