Home / 52,371.78-78,569.97-17,311.44

Finding the Fourth Proportional to 52,371.78, 78,569.97 and 17,311.44

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Solution

The fourth proportional to 52,371.78, 78,569.97 and 17,311.44 is: 25,971.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,371.78 : 78,569.97 = 17,311.44 : x
  2. Step 2: Convert to fraction form
    52,371.78/78,569.97 = 17,311.44/x
  3. Step 3: Cross multiply
    52,371.78x = 78,569.97 × 17,311.44
  4. Step 4: Simplify right side
    52,371.78x = 1,360,159,321.46
  5. Step 5: Solve for x
    x = 1,360,159,321.46/52,371.78
  6. Step 6: Final answer
    x = 25,971.23

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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.