Home / 36,130.42-49,859.10-20,216.38

Finding the Fourth Proportional to 36,130.42, 49,859.10 and 20,216.38

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Solution

The fourth proportional to 36,130.42, 49,859.10 and 20,216.38 is: 27,898.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.42 : 49,859.10 = 20,216.38 : x
  2. Step 2: Convert to fraction form
    36,130.42/49,859.10 = 20,216.38/x
  3. Step 3: Cross multiply
    36,130.42x = 49,859.10 × 20,216.38
  4. Step 4: Simplify right side
    36,130.42x = 1,007,970,512.06
  5. Step 5: Solve for x
    x = 1,007,970,512.06/36,130.42
  6. Step 6: Final answer
    x = 27,898.11

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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.