Home / 36,130.42-49,860.03-20,215.18

Finding the Fourth Proportional to 36,130.42, 49,860.03 and 20,215.18

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Solution

The fourth proportional to 36,130.42, 49,860.03 and 20,215.18 is: 27,896.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,130.42 : 49,860.03 = 20,215.18 : x
  2. Step 2: Convert to fraction form
    36,130.42/49,860.03 = 20,215.18/x
  3. Step 3: Cross multiply
    36,130.42x = 49,860.03 × 20,215.18
  4. Step 4: Simplify right side
    36,130.42x = 1,007,929,481.26
  5. Step 5: Solve for x
    x = 1,007,929,481.26/36,130.42
  6. Step 6: Final answer
    x = 27,896.98

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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.