Home / 36,433.70-50,278.69-20,518.42

Finding the Fourth Proportional to 36,433.70, 50,278.69 and 20,518.42

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Solution

The fourth proportional to 36,433.70, 50,278.69 and 20,518.42 is: 28,315.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.70 : 50,278.69 = 20,518.42 : x
  2. Step 2: Convert to fraction form
    36,433.70/50,278.69 = 20,518.42/x
  3. Step 3: Cross multiply
    36,433.70x = 50,278.69 × 20,518.42
  4. Step 4: Simplify right side
    36,433.70x = 1,031,639,278.47
  5. Step 5: Solve for x
    x = 1,031,639,278.47/36,433.70
  6. Step 6: Final answer
    x = 28,315.52

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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.