Home / 33,177.28-49,772.94-10,989.40

Finding the Fourth Proportional to 33,177.28, 49,772.94 and 10,989.40

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Solution

The fourth proportional to 33,177.28, 49,772.94 and 10,989.40 is: 16,486.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,177.28 : 49,772.94 = 10,989.40 : x
  2. Step 2: Convert to fraction form
    33,177.28/49,772.94 = 10,989.40/x
  3. Step 3: Cross multiply
    33,177.28x = 49,772.94 × 10,989.40
  4. Step 4: Simplify right side
    33,177.28x = 546,974,746.84
  5. Step 5: Solve for x
    x = 546,974,746.84/33,177.28
  6. Step 6: Final answer
    x = 16,486.43

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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.