Home / 49,335.60-74,042.28-18,192.72

Finding the Fourth Proportional to 49,335.60, 74,042.28 and 18,192.72

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Solution

The fourth proportional to 49,335.60, 74,042.28 and 18,192.72 is: 27,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,335.60 : 74,042.28 = 18,192.72 : x
  2. Step 2: Convert to fraction form
    49,335.60/74,042.28 = 18,192.72/x
  3. Step 3: Cross multiply
    49,335.60x = 74,042.28 × 18,192.72
  4. Step 4: Simplify right side
    49,335.60x = 1,347,030,468.20
  5. Step 5: Solve for x
    x = 1,347,030,468.20/49,335.60
  6. Step 6: Final answer
    x = 27,303.42

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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.