Home / 47,977.98-66,208.66-27,836.70

Finding the Fourth Proportional to 47,977.98, 66,208.66 and 27,836.70

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Solution

The fourth proportional to 47,977.98, 66,208.66 and 27,836.70 is: 38,414.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,977.98 : 66,208.66 = 27,836.70 : x
  2. Step 2: Convert to fraction form
    47,977.98/66,208.66 = 27,836.70/x
  3. Step 3: Cross multiply
    47,977.98x = 66,208.66 × 27,836.70
  4. Step 4: Simplify right side
    47,977.98x = 1,843,030,605.82
  5. Step 5: Solve for x
    x = 1,843,030,605.82/47,977.98
  6. Step 6: Final answer
    x = 38,414.09

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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.