Home / 36,034.72-49,722.24-20,118.40

Finding the Fourth Proportional to 36,034.72, 49,722.24 and 20,118.40

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Solution

The fourth proportional to 36,034.72, 49,722.24 and 20,118.40 is: 27,760.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,034.72 : 49,722.24 = 20,118.40 : x
  2. Step 2: Convert to fraction form
    36,034.72/49,722.24 = 20,118.40/x
  3. Step 3: Cross multiply
    36,034.72x = 49,722.24 × 20,118.40
  4. Step 4: Simplify right side
    36,034.72x = 1,000,331,913.22
  5. Step 5: Solve for x
    x = 1,000,331,913.22/36,034.72
  6. Step 6: Final answer
    x = 27,760.22

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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.