Home / 38,130.87-57,211.98-16,772.59

Finding the Fourth Proportional to 38,130.87, 57,211.98 and 16,772.59

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Solution

The fourth proportional to 38,130.87, 57,211.98 and 16,772.59 is: 25,165.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,130.87 : 57,211.98 = 16,772.59 : x
  2. Step 2: Convert to fraction form
    38,130.87/57,211.98 = 16,772.59/x
  3. Step 3: Cross multiply
    38,130.87x = 57,211.98 × 16,772.59
  4. Step 4: Simplify right side
    38,130.87x = 959,593,092.25
  5. Step 5: Solve for x
    x = 959,593,092.25/38,130.87
  6. Step 6: Final answer
    x = 25,165.78

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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.