Home / 36,229.62-49,999.30-20,315.10

Finding the Fourth Proportional to 36,229.62, 49,999.30 and 20,315.10

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Solution

The fourth proportional to 36,229.62, 49,999.30 and 20,315.10 is: 28,036.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,229.62 : 49,999.30 = 20,315.10 : x
  2. Step 2: Convert to fraction form
    36,229.62/49,999.30 = 20,315.10/x
  3. Step 3: Cross multiply
    36,229.62x = 49,999.30 × 20,315.10
  4. Step 4: Simplify right side
    36,229.62x = 1,015,740,779.43
  5. Step 5: Solve for x
    x = 1,015,740,779.43/36,229.62
  6. Step 6: Final answer
    x = 28,036.20

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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.