Home / 43,915.88-65,876.52-17,617.20

Finding the Fourth Proportional to 43,915.88, 65,876.52 and 17,617.20

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Solution

The fourth proportional to 43,915.88, 65,876.52 and 17,617.20 is: 26,426.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.88 : 65,876.52 = 17,617.20 : x
  2. Step 2: Convert to fraction form
    43,915.88/65,876.52 = 17,617.20/x
  3. Step 3: Cross multiply
    43,915.88x = 65,876.52 × 17,617.20
  4. Step 4: Simplify right side
    43,915.88x = 1,160,559,828.14
  5. Step 5: Solve for x
    x = 1,160,559,828.14/43,915.88
  6. Step 6: Final answer
    x = 26,426.88

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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.