Home / 38,537.22-57,799.80-12,238.50

Finding the Fourth Proportional to 38,537.22, 57,799.80 and 12,238.50

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Solution

The fourth proportional to 38,537.22, 57,799.80 and 12,238.50 is: 18,355.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,537.22 : 57,799.80 = 12,238.50 : x
  2. Step 2: Convert to fraction form
    38,537.22/57,799.80 = 12,238.50/x
  3. Step 3: Cross multiply
    38,537.22x = 57,799.80 × 12,238.50
  4. Step 4: Simplify right side
    38,537.22x = 707,382,852.30
  5. Step 5: Solve for x
    x = 707,382,852.30/38,537.22
  6. Step 6: Final answer
    x = 18,355.84

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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.