Home / 39,230.74-54,138.27-23,107.42

Finding the Fourth Proportional to 39,230.74, 54,138.27 and 23,107.42

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Solution

The fourth proportional to 39,230.74, 54,138.27 and 23,107.42 is: 31,888.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,230.74 : 54,138.27 = 23,107.42 : x
  2. Step 2: Convert to fraction form
    39,230.74/54,138.27 = 23,107.42/x
  3. Step 3: Cross multiply
    39,230.74x = 54,138.27 × 23,107.42
  4. Step 4: Simplify right side
    39,230.74x = 1,250,995,742.96
  5. Step 5: Solve for x
    x = 1,250,995,742.96/39,230.74
  6. Step 6: Final answer
    x = 31,888.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.