Home / 36,311.16-50,106.41-20,178.95

Finding the Fourth Proportional to 36,311.16, 50,106.41 and 20,178.95

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Solution

The fourth proportional to 36,311.16, 50,106.41 and 20,178.95 is: 27,845.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,311.16 : 50,106.41 = 20,178.95 : x
  2. Step 2: Convert to fraction form
    36,311.16/50,106.41 = 20,178.95/x
  3. Step 3: Cross multiply
    36,311.16x = 50,106.41 × 20,178.95
  4. Step 4: Simplify right side
    36,311.16x = 1,011,094,390.64
  5. Step 5: Solve for x
    x = 1,011,094,390.64/36,311.16
  6. Step 6: Final answer
    x = 27,845.28

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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.