Home / 31,596.59-47,381.73-12,863.91

Finding the Fourth Proportional to 31,596.59, 47,381.73 and 12,863.91

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Solution

The fourth proportional to 31,596.59, 47,381.73 and 12,863.91 is: 19,290.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,596.59 : 47,381.73 = 12,863.91 : x
  2. Step 2: Convert to fraction form
    31,596.59/47,381.73 = 12,863.91/x
  3. Step 3: Cross multiply
    31,596.59x = 47,381.73 × 12,863.91
  4. Step 4: Simplify right side
    31,596.59x = 609,514,310.36
  5. Step 5: Solve for x
    x = 609,514,310.36/31,596.59
  6. Step 6: Final answer
    x = 19,290.51

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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.