Home / 31,514.46-43,490.19-17,367.78

Finding the Fourth Proportional to 31,514.46, 43,490.19 and 17,367.78

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Solution

The fourth proportional to 31,514.46, 43,490.19 and 17,367.78 is: 23,967.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,514.46 : 43,490.19 = 17,367.78 : x
  2. Step 2: Convert to fraction form
    31,514.46/43,490.19 = 17,367.78/x
  3. Step 3: Cross multiply
    31,514.46x = 43,490.19 × 17,367.78
  4. Step 4: Simplify right side
    31,514.46x = 755,328,052.08
  5. Step 5: Solve for x
    x = 755,328,052.08/31,514.46
  6. Step 6: Final answer
    x = 23,967.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.