Home / 38,553.75-57,836.38-12,259.35

Finding the Fourth Proportional to 38,553.75, 57,836.38 and 12,259.35

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Solution

The fourth proportional to 38,553.75, 57,836.38 and 12,259.35 is: 18,390.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,553.75 : 57,836.38 = 12,259.35 : x
  2. Step 2: Convert to fraction form
    38,553.75/57,836.38 = 12,259.35/x
  3. Step 3: Cross multiply
    38,553.75x = 57,836.38 × 12,259.35
  4. Step 4: Simplify right side
    38,553.75x = 709,036,105.32
  5. Step 5: Solve for x
    x = 709,036,105.32/38,553.75
  6. Step 6: Final answer
    x = 18,390.85

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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.