Home / 36,919.29-50,948.13-21,003.69

Finding the Fourth Proportional to 36,919.29, 50,948.13 and 21,003.69

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Solution

The fourth proportional to 36,919.29, 50,948.13 and 21,003.69 is: 28,984.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.29 : 50,948.13 = 21,003.69 : x
  2. Step 2: Convert to fraction form
    36,919.29/50,948.13 = 21,003.69/x
  3. Step 3: Cross multiply
    36,919.29x = 50,948.13 × 21,003.69
  4. Step 4: Simplify right side
    36,919.29x = 1,070,098,728.60
  5. Step 5: Solve for x
    x = 1,070,098,728.60/36,919.29
  6. Step 6: Final answer
    x = 28,984.81

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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.