Home / 47,906-66,110.96-27,764.36

Finding the Fourth Proportional to 47,906, 66,110.96 and 27,764.36

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Solution

The fourth proportional to 47,906, 66,110.96 and 27,764.36 is: 38,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,906 : 66,110.96 = 27,764.36 : x
  2. Step 2: Convert to fraction form
    47,906/66,110.96 = 27,764.36/x
  3. Step 3: Cross multiply
    47,906x = 66,110.96 × 27,764.36
  4. Step 4: Simplify right side
    47,906x = 1,835,528,493.39
  5. Step 5: Solve for x
    x = 1,835,528,493.39/47,906
  6. Step 6: Final answer
    x = 38,315.21

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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.