Home / 36,775.10-50,758.70-20,869.13

Finding the Fourth Proportional to 36,775.10, 50,758.70 and 20,869.13

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Solution

The fourth proportional to 36,775.10, 50,758.70 and 20,869.13 is: 28,804.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,775.10 : 50,758.70 = 20,869.13 : x
  2. Step 2: Convert to fraction form
    36,775.10/50,758.70 = 20,869.13/x
  3. Step 3: Cross multiply
    36,775.10x = 50,758.70 × 20,869.13
  4. Step 4: Simplify right side
    36,775.10x = 1,059,289,550.79
  5. Step 5: Solve for x
    x = 1,059,289,550.79/36,775.10
  6. Step 6: Final answer
    x = 28,804.54

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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.