Home / 38,357.08-57,542.91-12,054.76

Finding the Fourth Proportional to 38,357.08, 57,542.91 and 12,054.76

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Solution

The fourth proportional to 38,357.08, 57,542.91 and 12,054.76 is: 18,084.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,357.08 : 57,542.91 = 12,054.76 : x
  2. Step 2: Convert to fraction form
    38,357.08/57,542.91 = 12,054.76/x
  3. Step 3: Cross multiply
    38,357.08x = 57,542.91 × 12,054.76
  4. Step 4: Simplify right side
    38,357.08x = 693,665,969.75
  5. Step 5: Solve for x
    x = 693,665,969.75/38,357.08
  6. Step 6: Final answer
    x = 18,084.43

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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.