Home / 40,969.20-61,356.60-25,222.80

Finding the Fourth Proportional to 40,969.20, 61,356.60 and 25,222.80

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Solution

The fourth proportional to 40,969.20, 61,356.60 and 25,222.80 is: 37,774.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,969.20 : 61,356.60 = 25,222.80 : x
  2. Step 2: Convert to fraction form
    40,969.20/61,356.60 = 25,222.80/x
  3. Step 3: Cross multiply
    40,969.20x = 61,356.60 × 25,222.80
  4. Step 4: Simplify right side
    40,969.20x = 1,547,585,250.48
  5. Step 5: Solve for x
    x = 1,547,585,250.48/40,969.20
  6. Step 6: Final answer
    x = 37,774.36

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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.