Home / 38,907.36-58,371.40-13,949.90

Finding the Fourth Proportional to 38,907.36, 58,371.40 and 13,949.90

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Solution

The fourth proportional to 38,907.36, 58,371.40 and 13,949.90 is: 20,928.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,907.36 : 58,371.40 = 13,949.90 : x
  2. Step 2: Convert to fraction form
    38,907.36/58,371.40 = 13,949.90/x
  3. Step 3: Cross multiply
    38,907.36x = 58,371.40 × 13,949.90
  4. Step 4: Simplify right side
    38,907.36x = 814,275,192.86
  5. Step 5: Solve for x
    x = 814,275,192.86/38,907.36
  6. Step 6: Final answer
    x = 20,928.56

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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.