Home / 30,067.91-41,527.98-20,491.28

Finding the Fourth Proportional to 30,067.91, 41,527.98 and 20,491.28

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Solution

The fourth proportional to 30,067.91, 41,527.98 and 20,491.28 is: 28,301.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,067.91 : 41,527.98 = 20,491.28 : x
  2. Step 2: Convert to fraction form
    30,067.91/41,527.98 = 20,491.28/x
  3. Step 3: Cross multiply
    30,067.91x = 41,527.98 × 20,491.28
  4. Step 4: Simplify right side
    30,067.91x = 850,961,155.92
  5. Step 5: Solve for x
    x = 850,961,155.92/30,067.91
  6. Step 6: Final answer
    x = 28,301.31

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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.