Home / 69,982.35-96,572.78-39,354.57

Finding the Fourth Proportional to 69,982.35, 96,572.78 and 39,354.57

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Solution

The fourth proportional to 69,982.35, 96,572.78 and 39,354.57 is: 54,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,982.35 : 96,572.78 = 39,354.57 : x
  2. Step 2: Convert to fraction form
    69,982.35/96,572.78 = 39,354.57/x
  3. Step 3: Cross multiply
    69,982.35x = 96,572.78 × 39,354.57
  4. Step 4: Simplify right side
    69,982.35x = 3,800,580,395.98
  5. Step 5: Solve for x
    x = 3,800,580,395.98/69,982.35
  6. Step 6: Final answer
    x = 54,307.70

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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.