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Finding the Fourth Proportional to 47,888.30, 71,808.42 and 27,904.25

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Solution

The fourth proportional to 47,888.30, 71,808.42 and 27,904.25 is: 41,842.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,888.30 : 71,808.42 = 27,904.25 : x
  2. Step 2: Convert to fraction form
    47,888.30/71,808.42 = 27,904.25/x
  3. Step 3: Cross multiply
    47,888.30x = 71,808.42 × 27,904.25
  4. Step 4: Simplify right side
    47,888.30x = 2,003,760,103.79
  5. Step 5: Solve for x
    x = 2,003,760,103.79/47,888.30
  6. Step 6: Final answer
    x = 41,842.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.