Home / 55,949.12-83,922.86-13,829.21

Finding the Fourth Proportional to 55,949.12, 83,922.86 and 13,829.21

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Solution

The fourth proportional to 55,949.12, 83,922.86 and 13,829.21 is: 20,743.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,949.12 : 83,922.86 = 13,829.21 : x
  2. Step 2: Convert to fraction form
    55,949.12/83,922.86 = 13,829.21/x
  3. Step 3: Cross multiply
    55,949.12x = 83,922.86 × 13,829.21
  4. Step 4: Simplify right side
    55,949.12x = 1,160,586,854.74
  5. Step 5: Solve for x
    x = 1,160,586,854.74/55,949.12
  6. Step 6: Final answer
    x = 20,743.61

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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.