Home / 36,219.29-49,985.73-20,306.79

Finding the Fourth Proportional to 36,219.29, 49,985.73 and 20,306.79

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Solution

The fourth proportional to 36,219.29, 49,985.73 and 20,306.79 is: 28,025.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,219.29 : 49,985.73 = 20,306.79 : x
  2. Step 2: Convert to fraction form
    36,219.29/49,985.73 = 20,306.79/x
  3. Step 3: Cross multiply
    36,219.29x = 49,985.73 × 20,306.79
  4. Step 4: Simplify right side
    36,219.29x = 1,015,049,722.11
  5. Step 5: Solve for x
    x = 1,015,049,722.11/36,219.29
  6. Step 6: Final answer
    x = 28,025.12

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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.