Home / 36,019.90-49,709.28-20,104.48

Finding the Fourth Proportional to 36,019.90, 49,709.28 and 20,104.48

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Solution

The fourth proportional to 36,019.90, 49,709.28 and 20,104.48 is: 27,745.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,019.90 : 49,709.28 = 20,104.48 : x
  2. Step 2: Convert to fraction form
    36,019.90/49,709.28 = 20,104.48/x
  3. Step 3: Cross multiply
    36,019.90x = 49,709.28 × 20,104.48
  4. Step 4: Simplify right side
    36,019.90x = 999,379,225.57
  5. Step 5: Solve for x
    x = 999,379,225.57/36,019.90
  6. Step 6: Final answer
    x = 27,745.20

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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.