Home / 39,238.50-54,137.16-22,240.02

Finding the Fourth Proportional to 39,238.50, 54,137.16 and 22,240.02

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Solution

The fourth proportional to 39,238.50, 54,137.16 and 22,240.02 is: 30,684.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,238.50 : 54,137.16 = 22,240.02 : x
  2. Step 2: Convert to fraction form
    39,238.50/54,137.16 = 22,240.02/x
  3. Step 3: Cross multiply
    39,238.50x = 54,137.16 × 22,240.02
  4. Step 4: Simplify right side
    39,238.50x = 1,204,011,521.14
  5. Step 5: Solve for x
    x = 1,204,011,521.14/39,238.50
  6. Step 6: Final answer
    x = 30,684.44

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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.