Home / 36,081.06-49,794.74-20,772.40

Finding the Fourth Proportional to 36,081.06, 49,794.74 and 20,772.40

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Solution

The fourth proportional to 36,081.06, 49,794.74 and 20,772.40 is: 28,667.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,081.06 : 49,794.74 = 20,772.40 : x
  2. Step 2: Convert to fraction form
    36,081.06/49,794.74 = 20,772.40/x
  3. Step 3: Cross multiply
    36,081.06x = 49,794.74 × 20,772.40
  4. Step 4: Simplify right side
    36,081.06x = 1,034,356,302.33
  5. Step 5: Solve for x
    x = 1,034,356,302.33/36,081.06
  6. Step 6: Final answer
    x = 28,667.57

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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.