Home / 36,118.37-49,840.64-20,199.74

Finding the Fourth Proportional to 36,118.37, 49,840.64 and 20,199.74

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Solution

The fourth proportional to 36,118.37, 49,840.64 and 20,199.74 is: 27,874.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,118.37 : 49,840.64 = 20,199.74 : x
  2. Step 2: Convert to fraction form
    36,118.37/49,840.64 = 20,199.74/x
  3. Step 3: Cross multiply
    36,118.37x = 49,840.64 × 20,199.74
  4. Step 4: Simplify right side
    36,118.37x = 1,006,767,969.43
  5. Step 5: Solve for x
    x = 1,006,767,969.43/36,118.37
  6. Step 6: Final answer
    x = 27,874.13

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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.