Home / 43,915.74-65,873.10-17,620.02

Finding the Fourth Proportional to 43,915.74, 65,873.10 and 17,620.02

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Solution

The fourth proportional to 43,915.74, 65,873.10 and 17,620.02 is: 26,429.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,915.74 : 65,873.10 = 17,620.02 : x
  2. Step 2: Convert to fraction form
    43,915.74/65,873.10 = 17,620.02/x
  3. Step 3: Cross multiply
    43,915.74x = 65,873.10 × 17,620.02
  4. Step 4: Simplify right side
    43,915.74x = 1,160,685,339.46
  5. Step 5: Solve for x
    x = 1,160,685,339.46/43,915.74
  6. Step 6: Final answer
    x = 26,429.83

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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.