Home / 47,913.84-66,121.11-27,774.54

Finding the Fourth Proportional to 47,913.84, 66,121.11 and 27,774.54

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Solution

The fourth proportional to 47,913.84, 66,121.11 and 27,774.54 is: 38,328.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,913.84 : 66,121.11 = 27,774.54 : x
  2. Step 2: Convert to fraction form
    47,913.84/66,121.11 = 27,774.54/x
  3. Step 3: Cross multiply
    47,913.84x = 66,121.11 × 27,774.54
  4. Step 4: Simplify right side
    47,913.84x = 1,836,483,414.54
  5. Step 5: Solve for x
    x = 1,836,483,414.54/47,913.84
  6. Step 6: Final answer
    x = 38,328.87

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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.