Home / 20,333.70-30,499.65-5,542.62

Finding the Fourth Proportional to 20,333.70, 30,499.65 and 5,542.62

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Solution

The fourth proportional to 20,333.70, 30,499.65 and 5,542.62 is: 8,313.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,333.70 : 30,499.65 = 5,542.62 : x
  2. Step 2: Convert to fraction form
    20,333.70/30,499.65 = 5,542.62/x
  3. Step 3: Cross multiply
    20,333.70x = 30,499.65 × 5,542.62
  4. Step 4: Simplify right side
    20,333.70x = 169,047,855.71
  5. Step 5: Solve for x
    x = 169,047,855.71/20,333.70
  6. Step 6: Final answer
    x = 8,313.68

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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.