Home / 36,722.56-50,680.04-20,810.92

Finding the Fourth Proportional to 36,722.56, 50,680.04 and 20,810.92

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Solution

The fourth proportional to 36,722.56, 50,680.04 and 20,810.92 is: 28,720.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,722.56 : 50,680.04 = 20,810.92 : x
  2. Step 2: Convert to fraction form
    36,722.56/50,680.04 = 20,810.92/x
  3. Step 3: Cross multiply
    36,722.56x = 50,680.04 × 20,810.92
  4. Step 4: Simplify right side
    36,722.56x = 1,054,698,258.04
  5. Step 5: Solve for x
    x = 1,054,698,258.04/36,722.56
  6. Step 6: Final answer
    x = 28,720.72

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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.