Home / 29,650.82-40,919.07-16,221.75

Finding the Fourth Proportional to 29,650.82, 40,919.07 and 16,221.75

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Solution

The fourth proportional to 29,650.82, 40,919.07 and 16,221.75 is: 22,386.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,650.82 : 40,919.07 = 16,221.75 : x
  2. Step 2: Convert to fraction form
    29,650.82/40,919.07 = 16,221.75/x
  3. Step 3: Cross multiply
    29,650.82x = 40,919.07 × 16,221.75
  4. Step 4: Simplify right side
    29,650.82x = 663,778,923.77
  5. Step 5: Solve for x
    x = 663,778,923.77/29,650.82
  6. Step 6: Final answer
    x = 22,386.53

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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.