Home / 36,720.14-50,672.79-20,806.07

Finding the Fourth Proportional to 36,720.14, 50,672.79 and 20,806.07

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Solution

The fourth proportional to 36,720.14, 50,672.79 and 20,806.07 is: 28,711.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,720.14 : 50,672.79 = 20,806.07 : x
  2. Step 2: Convert to fraction form
    36,720.14/50,672.79 = 20,806.07/x
  3. Step 3: Cross multiply
    36,720.14x = 50,672.79 × 20,806.07
  4. Step 4: Simplify right side
    36,720.14x = 1,054,301,362.47
  5. Step 5: Solve for x
    x = 1,054,301,362.47/36,720.14
  6. Step 6: Final answer
    x = 28,711.81

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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.