Home / 31,236.35-43,105.64-17,808.35

Finding the Fourth Proportional to 31,236.35, 43,105.64 and 17,808.35

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Solution

The fourth proportional to 31,236.35, 43,105.64 and 17,808.35 is: 24,575.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,236.35 : 43,105.64 = 17,808.35 : x
  2. Step 2: Convert to fraction form
    31,236.35/43,105.64 = 17,808.35/x
  3. Step 3: Cross multiply
    31,236.35x = 43,105.64 × 17,808.35
  4. Step 4: Simplify right side
    31,236.35x = 767,640,019.52
  5. Step 5: Solve for x
    x = 767,640,019.52/31,236.35
  6. Step 6: Final answer
    x = 24,575.22

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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.