Home / 36,919.60-50,948.39-21,003.71

Finding the Fourth Proportional to 36,919.60, 50,948.39 and 21,003.71

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Solution

The fourth proportional to 36,919.60, 50,948.39 and 21,003.71 is: 28,984.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.60 : 50,948.39 = 21,003.71 : x
  2. Step 2: Convert to fraction form
    36,919.60/50,948.39 = 21,003.71/x
  3. Step 3: Cross multiply
    36,919.60x = 50,948.39 × 21,003.71
  4. Step 4: Simplify right side
    36,919.60x = 1,070,105,006.29
  5. Step 5: Solve for x
    x = 1,070,105,006.29/36,919.60
  6. Step 6: Final answer
    x = 28,984.74

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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.