Home / 31,743.36-47,609.28-16,951.68

Finding the Fourth Proportional to 31,743.36, 47,609.28 and 16,951.68

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Solution

The fourth proportional to 31,743.36, 47,609.28 and 16,951.68 is: 25,424.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,743.36 : 47,609.28 = 16,951.68 : x
  2. Step 2: Convert to fraction form
    31,743.36/47,609.28 = 16,951.68/x
  3. Step 3: Cross multiply
    31,743.36x = 47,609.28 × 16,951.68
  4. Step 4: Simplify right side
    31,743.36x = 807,057,279.59
  5. Step 5: Solve for x
    x = 807,057,279.59/31,743.36
  6. Step 6: Final answer
    x = 25,424.44

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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.