Home / 36,146.28-49,870.50-20,228.20

Finding the Fourth Proportional to 36,146.28, 49,870.50 and 20,228.20

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Solution

The fourth proportional to 36,146.28, 49,870.50 and 20,228.20 is: 27,908.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,146.28 : 49,870.50 = 20,228.20 : x
  2. Step 2: Convert to fraction form
    36,146.28/49,870.50 = 20,228.20/x
  3. Step 3: Cross multiply
    36,146.28x = 49,870.50 × 20,228.20
  4. Step 4: Simplify right side
    36,146.28x = 1,008,790,448.10
  5. Step 5: Solve for x
    x = 1,008,790,448.10/36,146.28
  6. Step 6: Final answer
    x = 27,908.56

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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.