Home / 50,299.80-75,445.98-20,316.12

Finding the Fourth Proportional to 50,299.80, 75,445.98 and 20,316.12

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Solution

The fourth proportional to 50,299.80, 75,445.98 and 20,316.12 is: 30,472.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,299.80 : 75,445.98 = 20,316.12 : x
  2. Step 2: Convert to fraction form
    50,299.80/75,445.98 = 20,316.12/x
  3. Step 3: Cross multiply
    50,299.80x = 75,445.98 × 20,316.12
  4. Step 4: Simplify right side
    50,299.80x = 1,532,769,583.20
  5. Step 5: Solve for x
    x = 1,532,769,583.20/50,299.80
  6. Step 6: Final answer
    x = 30,472.68

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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.