Home / 55,020.62-75,850.88-39,099.26

Finding the Fourth Proportional to 55,020.62, 75,850.88 and 39,099.26

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Solution

The fourth proportional to 55,020.62, 75,850.88 and 39,099.26 is: 53,901.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,020.62 : 75,850.88 = 39,099.26 : x
  2. Step 2: Convert to fraction form
    55,020.62/75,850.88 = 39,099.26/x
  3. Step 3: Cross multiply
    55,020.62x = 75,850.88 × 39,099.26
  4. Step 4: Simplify right side
    55,020.62x = 2,965,713,278.35
  5. Step 5: Solve for x
    x = 2,965,713,278.35/55,020.62
  6. Step 6: Final answer
    x = 53,901.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.