Home / 40,335.33-55,663.29-22,431.90

Finding the Fourth Proportional to 40,335.33, 55,663.29 and 22,431.90

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Solution

The fourth proportional to 40,335.33, 55,663.29 and 22,431.90 is: 30,956.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,335.33 : 55,663.29 = 22,431.90 : x
  2. Step 2: Convert to fraction form
    40,335.33/55,663.29 = 22,431.90/x
  3. Step 3: Cross multiply
    40,335.33x = 55,663.29 × 22,431.90
  4. Step 4: Simplify right side
    40,335.33x = 1,248,633,354.95
  5. Step 5: Solve for x
    x = 1,248,633,354.95/40,335.33
  6. Step 6: Final answer
    x = 30,956.32

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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.