Home / 47,914.48-66,122.70-27,772.78

Finding the Fourth Proportional to 47,914.48, 66,122.70 and 27,772.78

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Solution

The fourth proportional to 47,914.48, 66,122.70 and 27,772.78 is: 38,326.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,914.48 : 66,122.70 = 27,772.78 : x
  2. Step 2: Convert to fraction form
    47,914.48/66,122.70 = 27,772.78/x
  3. Step 3: Cross multiply
    47,914.48x = 66,122.70 × 27,772.78
  4. Step 4: Simplify right side
    47,914.48x = 1,836,411,200.11
  5. Step 5: Solve for x
    x = 1,836,411,200.11/47,914.48
  6. Step 6: Final answer
    x = 38,326.85

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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.