Home / 29,415.03-40,565.07-22,689.96

Finding the Fourth Proportional to 29,415.03, 40,565.07 and 22,689.96

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Solution

The fourth proportional to 29,415.03, 40,565.07 and 22,689.96 is: 31,290.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,415.03 : 40,565.07 = 22,689.96 : x
  2. Step 2: Convert to fraction form
    29,415.03/40,565.07 = 22,689.96/x
  3. Step 3: Cross multiply
    29,415.03x = 40,565.07 × 22,689.96
  4. Step 4: Simplify right side
    29,415.03x = 920,419,815.70
  5. Step 5: Solve for x
    x = 920,419,815.70/29,415.03
  6. Step 6: Final answer
    x = 31,290.80

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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.