Home / 40,819.64-61,151.28-19,697.32

Finding the Fourth Proportional to 40,819.64, 61,151.28 and 19,697.32

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Solution

The fourth proportional to 40,819.64, 61,151.28 and 19,697.32 is: 29,508.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,819.64 : 61,151.28 = 19,697.32 : x
  2. Step 2: Convert to fraction form
    40,819.64/61,151.28 = 19,697.32/x
  3. Step 3: Cross multiply
    40,819.64x = 61,151.28 × 19,697.32
  4. Step 4: Simplify right side
    40,819.64x = 1,204,516,330.57
  5. Step 5: Solve for x
    x = 1,204,516,330.57/40,819.64
  6. Step 6: Final answer
    x = 29,508.25

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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.