Home / 40,722.48-61,041.09-17,043.60

Finding the Fourth Proportional to 40,722.48, 61,041.09 and 17,043.60

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Solution

The fourth proportional to 40,722.48, 61,041.09 and 17,043.60 is: 25,547.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,722.48 : 61,041.09 = 17,043.60 : x
  2. Step 2: Convert to fraction form
    40,722.48/61,041.09 = 17,043.60/x
  3. Step 3: Cross multiply
    40,722.48x = 61,041.09 × 17,043.60
  4. Step 4: Simplify right side
    40,722.48x = 1,040,359,921.52
  5. Step 5: Solve for x
    x = 1,040,359,921.52/40,722.48
  6. Step 6: Final answer
    x = 25,547.56

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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.