Home / 50,305.96-75,458.05-20,319.46

Finding the Fourth Proportional to 50,305.96, 75,458.05 and 20,319.46

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Solution

The fourth proportional to 50,305.96, 75,458.05 and 20,319.46 is: 30,478.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,305.96 : 75,458.05 = 20,319.46 : x
  2. Step 2: Convert to fraction form
    50,305.96/75,458.05 = 20,319.46/x
  3. Step 3: Cross multiply
    50,305.96x = 75,458.05 × 20,319.46
  4. Step 4: Simplify right side
    50,305.96x = 1,533,266,828.65
  5. Step 5: Solve for x
    x = 1,533,266,828.65/50,305.96
  6. Step 6: Final answer
    x = 30,478.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.