Home / 50,308.23-75,461.41-20,321.71

Finding the Fourth Proportional to 50,308.23, 75,461.41 and 20,321.71

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Solution

The fourth proportional to 50,308.23, 75,461.41 and 20,321.71 is: 30,482.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,308.23 : 75,461.41 = 20,321.71 : x
  2. Step 2: Convert to fraction form
    50,308.23/75,461.41 = 20,321.71/x
  3. Step 3: Cross multiply
    50,308.23x = 75,461.41 × 20,321.71
  4. Step 4: Simplify right side
    50,308.23x = 1,533,504,890.21
  5. Step 5: Solve for x
    x = 1,533,504,890.21/50,308.23
  6. Step 6: Final answer
    x = 30,482.19

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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.