Home / 36,552.10-50,439.07-20,638.12

Finding the Fourth Proportional to 36,552.10, 50,439.07 and 20,638.12

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Solution

The fourth proportional to 36,552.10, 50,439.07 and 20,638.12 is: 28,479.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,552.10 : 50,439.07 = 20,638.12 : x
  2. Step 2: Convert to fraction form
    36,552.10/50,439.07 = 20,638.12/x
  3. Step 3: Cross multiply
    36,552.10x = 50,439.07 × 20,638.12
  4. Step 4: Simplify right side
    36,552.10x = 1,040,967,579.35
  5. Step 5: Solve for x
    x = 1,040,967,579.35/36,552.10
  6. Step 6: Final answer
    x = 28,479.01

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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.