Home / 36,118.17-49,840.74-20,199.87

Finding the Fourth Proportional to 36,118.17, 49,840.74 and 20,199.87

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Solution

The fourth proportional to 36,118.17, 49,840.74 and 20,199.87 is: 27,874.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.17 : 49,840.74 = 20,199.87 : x
  2. Step 2: Convert to fraction form
    36,118.17/49,840.74 = 20,199.87/x
  3. Step 3: Cross multiply
    36,118.17x = 49,840.74 × 20,199.87
  4. Step 4: Simplify right side
    36,118.17x = 1,006,776,468.70
  5. Step 5: Solve for x
    x = 1,006,776,468.70/36,118.17
  6. Step 6: Final answer
    x = 27,874.51

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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.