Home / 31,680.82-47,521.23-14,162.86

Finding the Fourth Proportional to 31,680.82, 47,521.23 and 14,162.86

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Solution

The fourth proportional to 31,680.82, 47,521.23 and 14,162.86 is: 21,244.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,680.82 : 47,521.23 = 14,162.86 : x
  2. Step 2: Convert to fraction form
    31,680.82/47,521.23 = 14,162.86/x
  3. Step 3: Cross multiply
    31,680.82x = 47,521.23 × 14,162.86
  4. Step 4: Simplify right side
    31,680.82x = 673,036,527.52
  5. Step 5: Solve for x
    x = 673,036,527.52/31,680.82
  6. Step 6: Final answer
    x = 21,244.29

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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.