Home / 36,909.32-50,935.02-20,142.68

Finding the Fourth Proportional to 36,909.32, 50,935.02 and 20,142.68

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Solution

The fourth proportional to 36,909.32, 50,935.02 and 20,142.68 is: 27,796.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,909.32 : 50,935.02 = 20,142.68 : x
  2. Step 2: Convert to fraction form
    36,909.32/50,935.02 = 20,142.68/x
  3. Step 3: Cross multiply
    36,909.32x = 50,935.02 × 20,142.68
  4. Step 4: Simplify right side
    36,909.32x = 1,025,967,808.65
  5. Step 5: Solve for x
    x = 1,025,967,808.65/36,909.32
  6. Step 6: Final answer
    x = 27,796.98

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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.