Home / 31,886.91-47,834.82-14,116.19

Finding the Fourth Proportional to 31,886.91, 47,834.82 and 14,116.19

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Solution

The fourth proportional to 31,886.91, 47,834.82 and 14,116.19 is: 21,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,886.91 : 47,834.82 = 14,116.19 : x
  2. Step 2: Convert to fraction form
    31,886.91/47,834.82 = 14,116.19/x
  3. Step 3: Cross multiply
    31,886.91x = 47,834.82 × 14,116.19
  4. Step 4: Simplify right side
    31,886.91x = 675,245,168.56
  5. Step 5: Solve for x
    x = 675,245,168.56/31,886.91
  6. Step 6: Final answer
    x = 21,176.25

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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.