Home / 43,531.20-65,294.06-25,987.82

Finding the Fourth Proportional to 43,531.20, 65,294.06 and 25,987.82

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Solution

The fourth proportional to 43,531.20, 65,294.06 and 25,987.82 is: 38,980.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,531.20 : 65,294.06 = 25,987.82 : x
  2. Step 2: Convert to fraction form
    43,531.20/65,294.06 = 25,987.82/x
  3. Step 3: Cross multiply
    43,531.20x = 65,294.06 × 25,987.82
  4. Step 4: Simplify right side
    43,531.20x = 1,696,850,278.35
  5. Step 5: Solve for x
    x = 1,696,850,278.35/43,531.20
  6. Step 6: Final answer
    x = 38,980.09

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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.