Home / 40,712.60-61,097.75-18,528.82

Finding the Fourth Proportional to 40,712.60, 61,097.75 and 18,528.82

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Solution

The fourth proportional to 40,712.60, 61,097.75 and 18,528.82 is: 27,806.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.60 : 61,097.75 = 18,528.82 : x
  2. Step 2: Convert to fraction form
    40,712.60/61,097.75 = 18,528.82/x
  3. Step 3: Cross multiply
    40,712.60x = 61,097.75 × 18,528.82
  4. Step 4: Simplify right side
    40,712.60x = 1,132,069,212.16
  5. Step 5: Solve for x
    x = 1,132,069,212.16/40,712.60
  6. Step 6: Final answer
    x = 27,806.36

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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.