Home / 36,029.60-49,718.76-20,115.05

Finding the Fourth Proportional to 36,029.60, 49,718.76 and 20,115.05

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Solution

The fourth proportional to 36,029.60, 49,718.76 and 20,115.05 is: 27,757.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.60 : 49,718.76 = 20,115.05 : x
  2. Step 2: Convert to fraction form
    36,029.60/49,718.76 = 20,115.05/x
  3. Step 3: Cross multiply
    36,029.60x = 49,718.76 × 20,115.05
  4. Step 4: Simplify right side
    36,029.60x = 1,000,095,343.34
  5. Step 5: Solve for x
    x = 1,000,095,343.34/36,029.60
  6. Step 6: Final answer
    x = 27,757.61

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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.