Home / 36,919.24-50,946.78-21,002.20

Finding the Fourth Proportional to 36,919.24, 50,946.78 and 21,002.20

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Solution

The fourth proportional to 36,919.24, 50,946.78 and 21,002.20 is: 28,982.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,919.24 : 50,946.78 = 21,002.20 : x
  2. Step 2: Convert to fraction form
    36,919.24/50,946.78 = 21,002.20/x
  3. Step 3: Cross multiply
    36,919.24x = 50,946.78 × 21,002.20
  4. Step 4: Simplify right side
    36,919.24x = 1,069,994,462.92
  5. Step 5: Solve for x
    x = 1,069,994,462.92/36,919.24
  6. Step 6: Final answer
    x = 28,982.03

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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.