Home / 36,806.40-50,799.36-20,887.68

Finding the Fourth Proportional to 36,806.40, 50,799.36 and 20,887.68

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Solution

The fourth proportional to 36,806.40, 50,799.36 and 20,887.68 is: 28,828.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,806.40 : 50,799.36 = 20,887.68 : x
  2. Step 2: Convert to fraction form
    36,806.40/50,799.36 = 20,887.68/x
  3. Step 3: Cross multiply
    36,806.40x = 50,799.36 × 20,887.68
  4. Step 4: Simplify right side
    36,806.40x = 1,061,080,775.88
  5. Step 5: Solve for x
    x = 1,061,080,775.88/36,806.40
  6. Step 6: Final answer
    x = 28,828.70

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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.