Home / 47,908-66,113.72-27,766.36

Finding the Fourth Proportional to 47,908, 66,113.72 and 27,766.36

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Solution

The fourth proportional to 47,908, 66,113.72 and 27,766.36 is: 38,317.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,908 : 66,113.72 = 27,766.36 : x
  2. Step 2: Convert to fraction form
    47,908/66,113.72 = 27,766.36/x
  3. Step 3: Cross multiply
    47,908x = 66,113.72 × 27,766.36
  4. Step 4: Simplify right side
    47,908x = 1,835,737,350.46
  5. Step 5: Solve for x
    x = 1,835,737,350.46/47,908
  6. Step 6: Final answer
    x = 38,317.97

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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.