Home / 31,279.74-43,169.15-17,853.03

Finding the Fourth Proportional to 31,279.74, 43,169.15 and 17,853.03

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Solution

The fourth proportional to 31,279.74, 43,169.15 and 17,853.03 is: 24,638.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,279.74 : 43,169.15 = 17,853.03 : x
  2. Step 2: Convert to fraction form
    31,279.74/43,169.15 = 17,853.03/x
  3. Step 3: Cross multiply
    31,279.74x = 43,169.15 × 17,853.03
  4. Step 4: Simplify right side
    31,279.74x = 770,700,296.07
  5. Step 5: Solve for x
    x = 770,700,296.07/31,279.74
  6. Step 6: Final answer
    x = 24,638.96

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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.