Home / 41,920.45-62,867.31-13,835.28

Finding the Fourth Proportional to 41,920.45, 62,867.31 and 13,835.28

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Solution

The fourth proportional to 41,920.45, 62,867.31 and 13,835.28 is: 20,748.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.45 : 62,867.31 = 13,835.28 : x
  2. Step 2: Convert to fraction form
    41,920.45/62,867.31 = 13,835.28/x
  3. Step 3: Cross multiply
    41,920.45x = 62,867.31 × 13,835.28
  4. Step 4: Simplify right side
    41,920.45x = 869,786,836.70
  5. Step 5: Solve for x
    x = 869,786,836.70/41,920.45
  6. Step 6: Final answer
    x = 20,748.51

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1.5x scale

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.