Home / 20,324.85-30,487.81-5,534.07

Finding the Fourth Proportional to 20,324.85, 30,487.81 and 5,534.07

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Solution

The fourth proportional to 20,324.85, 30,487.81 and 5,534.07 is: 8,301.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.85 : 30,487.81 = 5,534.07 : x
  2. Step 2: Convert to fraction form
    20,324.85/30,487.81 = 5,534.07/x
  3. Step 3: Cross multiply
    20,324.85x = 30,487.81 × 5,534.07
  4. Step 4: Simplify right side
    20,324.85x = 168,721,674.69
  5. Step 5: Solve for x
    x = 168,721,674.69/20,324.85
  6. Step 6: Final answer
    x = 8,301.25

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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.