Home / 50,165.80-75,243.42-20,586.76

Finding the Fourth Proportional to 50,165.80, 75,243.42 and 20,586.76

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Solution

The fourth proportional to 50,165.80, 75,243.42 and 20,586.76 is: 30,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,165.80 : 75,243.42 = 20,586.76 : x
  2. Step 2: Convert to fraction form
    50,165.80/75,243.42 = 20,586.76/x
  3. Step 3: Cross multiply
    50,165.80x = 75,243.42 × 20,586.76
  4. Step 4: Simplify right side
    50,165.80x = 1,549,018,229.12
  5. Step 5: Solve for x
    x = 1,549,018,229.12/50,165.80
  6. Step 6: Final answer
    x = 30,877.97

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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.