Home / 40,394.17-55,746.16-22,488.78

Finding the Fourth Proportional to 40,394.17, 55,746.16 and 22,488.78

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Solution

The fourth proportional to 40,394.17, 55,746.16 and 22,488.78 is: 31,035.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,394.17 : 55,746.16 = 22,488.78 : x
  2. Step 2: Convert to fraction form
    40,394.17/55,746.16 = 22,488.78/x
  3. Step 3: Cross multiply
    40,394.17x = 55,746.16 × 22,488.78
  4. Step 4: Simplify right side
    40,394.17x = 1,253,663,128.08
  5. Step 5: Solve for x
    x = 1,253,663,128.08/40,394.17
  6. Step 6: Final answer
    x = 31,035.75

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.