Home / 31,518.78-43,493.96-17,371.74

Finding the Fourth Proportional to 31,518.78, 43,493.96 and 17,371.74

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Solution

The fourth proportional to 31,518.78, 43,493.96 and 17,371.74 is: 23,971.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.78 : 43,493.96 = 17,371.74 : x
  2. Step 2: Convert to fraction form
    31,518.78/43,493.96 = 17,371.74/x
  3. Step 3: Cross multiply
    31,518.78x = 43,493.96 × 17,371.74
  4. Step 4: Simplify right side
    31,518.78x = 755,565,764.69
  5. Step 5: Solve for x
    x = 755,565,764.69/31,518.78
  6. Step 6: Final answer
    x = 23,971.92

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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.