Home / 33,320.81-49,989.13-9,947.86

Finding the Fourth Proportional to 33,320.81, 49,989.13 and 9,947.86

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Solution

The fourth proportional to 33,320.81, 49,989.13 and 9,947.86 is: 14,924.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,320.81 : 49,989.13 = 9,947.86 : x
  2. Step 2: Convert to fraction form
    33,320.81/49,989.13 = 9,947.86/x
  3. Step 3: Cross multiply
    33,320.81x = 49,989.13 × 9,947.86
  4. Step 4: Simplify right side
    33,320.81x = 497,284,716.92
  5. Step 5: Solve for x
    x = 497,284,716.92/33,320.81
  6. Step 6: Final answer
    x = 14,924.15

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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.