Home / 36,220.62-49,986.86-20,306.10

Finding the Fourth Proportional to 36,220.62, 49,986.86 and 20,306.10

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Solution

The fourth proportional to 36,220.62, 49,986.86 and 20,306.10 is: 28,023.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.62 : 49,986.86 = 20,306.10 : x
  2. Step 2: Convert to fraction form
    36,220.62/49,986.86 = 20,306.10/x
  3. Step 3: Cross multiply
    36,220.62x = 49,986.86 × 20,306.10
  4. Step 4: Simplify right side
    36,220.62x = 1,015,038,076.32
  5. Step 5: Solve for x
    x = 1,015,038,076.32/36,220.62
  6. Step 6: Final answer
    x = 28,023.76

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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.