Home / 36,145.24-49,880.69-20,231.17

Finding the Fourth Proportional to 36,145.24, 49,880.69 and 20,231.17

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Solution

The fourth proportional to 36,145.24, 49,880.69 and 20,231.17 is: 27,919.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,145.24 : 49,880.69 = 20,231.17 : x
  2. Step 2: Convert to fraction form
    36,145.24/49,880.69 = 20,231.17/x
  3. Step 3: Cross multiply
    36,145.24x = 49,880.69 × 20,231.17
  4. Step 4: Simplify right side
    36,145.24x = 1,009,144,617.95
  5. Step 5: Solve for x
    x = 1,009,144,617.95/36,145.24
  6. Step 6: Final answer
    x = 27,919.16

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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.