Home / 36,440.34-50,278.88-20,524.78

Finding the Fourth Proportional to 36,440.34, 50,278.88 and 20,524.78

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Solution

The fourth proportional to 36,440.34, 50,278.88 and 20,524.78 is: 28,319.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,440.34 : 50,278.88 = 20,524.78 : x
  2. Step 2: Convert to fraction form
    36,440.34/50,278.88 = 20,524.78/x
  3. Step 3: Cross multiply
    36,440.34x = 50,278.88 × 20,524.78
  4. Step 4: Simplify right side
    36,440.34x = 1,031,962,950.65
  5. Step 5: Solve for x
    x = 1,031,962,950.65/36,440.34
  6. Step 6: Final answer
    x = 28,319.25

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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.