Home / 20,367.68-30,551.54-5,576.72

Finding the Fourth Proportional to 20,367.68, 30,551.54 and 5,576.72

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Solution

The fourth proportional to 20,367.68, 30,551.54 and 5,576.72 is: 8,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,367.68 : 30,551.54 = 5,576.72 : x
  2. Step 2: Convert to fraction form
    20,367.68/30,551.54 = 5,576.72/x
  3. Step 3: Cross multiply
    20,367.68x = 30,551.54 × 5,576.72
  4. Step 4: Simplify right side
    20,367.68x = 170,377,203.51
  5. Step 5: Solve for x
    x = 170,377,203.51/20,367.68
  6. Step 6: Final answer
    x = 8,365.08

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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.