Home / 41,955.12-62,919-13,868.64

Finding the Fourth Proportional to 41,955.12, 62,919 and 13,868.64

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Solution

The fourth proportional to 41,955.12, 62,919 and 13,868.64 is: 20,798.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,955.12 : 62,919 = 13,868.64 : x
  2. Step 2: Convert to fraction form
    41,955.12/62,919 = 13,868.64/x
  3. Step 3: Cross multiply
    41,955.12x = 62,919 × 13,868.64
  4. Step 4: Simplify right side
    41,955.12x = 872,600,960.16
  5. Step 5: Solve for x
    x = 872,600,960.16/41,955.12
  6. Step 6: Final answer
    x = 20,798.44

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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.