Home / 36,020.10-49,707.80-20,104.55

Finding the Fourth Proportional to 36,020.10, 49,707.80 and 20,104.55

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Solution

The fourth proportional to 36,020.10, 49,707.80 and 20,104.55 is: 27,744.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,020.10 : 49,707.80 = 20,104.55 : x
  2. Step 2: Convert to fraction form
    36,020.10/49,707.80 = 20,104.55/x
  3. Step 3: Cross multiply
    36,020.10x = 49,707.80 × 20,104.55
  4. Step 4: Simplify right side
    36,020.10x = 999,352,601.43
  5. Step 5: Solve for x
    x = 999,352,601.43/36,020.10
  6. Step 6: Final answer
    x = 27,744.30

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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.