Home / 36,721.22-50,675.15-20,808.70

Finding the Fourth Proportional to 36,721.22, 50,675.15 and 20,808.70

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Solution

The fourth proportional to 36,721.22, 50,675.15 and 20,808.70 is: 28,715.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,721.22 : 50,675.15 = 20,808.70 : x
  2. Step 2: Convert to fraction form
    36,721.22/50,675.15 = 20,808.70/x
  3. Step 3: Cross multiply
    36,721.22x = 50,675.15 × 20,808.70
  4. Step 4: Simplify right side
    36,721.22x = 1,054,483,993.81
  5. Step 5: Solve for x
    x = 1,054,483,993.81/36,721.22
  6. Step 6: Final answer
    x = 28,715.93

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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.