Home / 38,301.30-57,447.90-12,004.65

Finding the Fourth Proportional to 38,301.30, 57,447.90 and 12,004.65

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Solution

The fourth proportional to 38,301.30, 57,447.90 and 12,004.65 is: 18,005.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,301.30 : 57,447.90 = 12,004.65 : x
  2. Step 2: Convert to fraction form
    38,301.30/57,447.90 = 12,004.65/x
  3. Step 3: Cross multiply
    38,301.30x = 57,447.90 × 12,004.65
  4. Step 4: Simplify right side
    38,301.30x = 689,641,932.74
  5. Step 5: Solve for x
    x = 689,641,932.74/38,301.30
  6. Step 6: Final answer
    x = 18,005.71

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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.