Home / 38,531.37-57,799.06-12,238.17

Finding the Fourth Proportional to 38,531.37, 57,799.06 and 12,238.17

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Solution

The fourth proportional to 38,531.37, 57,799.06 and 12,238.17 is: 18,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,531.37 : 57,799.06 = 12,238.17 : x
  2. Step 2: Convert to fraction form
    38,531.37/57,799.06 = 12,238.17/x
  3. Step 3: Cross multiply
    38,531.37x = 57,799.06 × 12,238.17
  4. Step 4: Simplify right side
    38,531.37x = 707,354,722.12
  5. Step 5: Solve for x
    x = 707,354,722.12/38,531.37
  6. Step 6: Final answer
    x = 18,357.89

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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.