Home / 31,857.43-47,759.42-14,085.22

Finding the Fourth Proportional to 31,857.43, 47,759.42 and 14,085.22

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Solution

The fourth proportional to 31,857.43, 47,759.42 and 14,085.22 is: 21,116.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,857.43 : 47,759.42 = 14,085.22 : x
  2. Step 2: Convert to fraction form
    31,857.43/47,759.42 = 14,085.22/x
  3. Step 3: Cross multiply
    31,857.43x = 47,759.42 × 14,085.22
  4. Step 4: Simplify right side
    31,857.43x = 672,701,867.35
  5. Step 5: Solve for x
    x = 672,701,867.35/31,857.43
  6. Step 6: Final answer
    x = 21,116.01

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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.