Home / 57,452.11-86,217.06-20,012.51

Finding the Fourth Proportional to 57,452.11, 86,217.06 and 20,012.51

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Solution

The fourth proportional to 57,452.11, 86,217.06 and 20,012.51 is: 30,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,452.11 : 86,217.06 = 20,012.51 : x
  2. Step 2: Convert to fraction form
    57,452.11/86,217.06 = 20,012.51/x
  3. Step 3: Cross multiply
    57,452.11x = 86,217.06 × 20,012.51
  4. Step 4: Simplify right side
    57,452.11x = 1,725,419,775.42
  5. Step 5: Solve for x
    x = 1,725,419,775.42/57,452.11
  6. Step 6: Final answer
    x = 30,032.31

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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.