Home / 31,245.78-43,118.16-17,097.68

Finding the Fourth Proportional to 31,245.78, 43,118.16 and 17,097.68

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Solution

The fourth proportional to 31,245.78, 43,118.16 and 17,097.68 is: 23,594.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,245.78 : 43,118.16 = 17,097.68 : x
  2. Step 2: Convert to fraction form
    31,245.78/43,118.16 = 17,097.68/x
  3. Step 3: Cross multiply
    31,245.78x = 43,118.16 × 17,097.68
  4. Step 4: Simplify right side
    31,245.78x = 737,220,501.87
  5. Step 5: Solve for x
    x = 737,220,501.87/31,245.78
  6. Step 6: Final answer
    x = 23,594.24

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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.