Home / 38,474.40-57,708.71-13,514.67

Finding the Fourth Proportional to 38,474.40, 57,708.71 and 13,514.67

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Solution

The fourth proportional to 38,474.40, 57,708.71 and 13,514.67 is: 20,270.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,474.40 : 57,708.71 = 13,514.67 : x
  2. Step 2: Convert to fraction form
    38,474.40/57,708.71 = 13,514.67/x
  3. Step 3: Cross multiply
    38,474.40x = 57,708.71 × 13,514.67
  4. Step 4: Simplify right side
    38,474.40x = 779,914,104.20
  5. Step 5: Solve for x
    x = 779,914,104.20/38,474.40
  6. Step 6: Final answer
    x = 20,270.99

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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.