Home / 41,920.95-62,868.06-13,835.79

Finding the Fourth Proportional to 41,920.95, 62,868.06 and 13,835.79

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Solution

The fourth proportional to 41,920.95, 62,868.06 and 13,835.79 is: 20,749.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,920.95 : 62,868.06 = 13,835.79 : x
  2. Step 2: Convert to fraction form
    41,920.95/62,868.06 = 13,835.79/x
  3. Step 3: Cross multiply
    41,920.95x = 62,868.06 × 13,835.79
  4. Step 4: Simplify right side
    41,920.95x = 869,829,275.87
  5. Step 5: Solve for x
    x = 869,829,275.87/41,920.95
  6. Step 6: Final answer
    x = 20,749.27

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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.