Home / 47,771.80-71,658.40-18,191.27

Finding the Fourth Proportional to 47,771.80, 71,658.40 and 18,191.27

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Solution

The fourth proportional to 47,771.80, 71,658.40 and 18,191.27 is: 27,287.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,771.80 : 71,658.40 = 18,191.27 : x
  2. Step 2: Convert to fraction form
    47,771.80/71,658.40 = 18,191.27/x
  3. Step 3: Cross multiply
    47,771.80x = 71,658.40 × 18,191.27
  4. Step 4: Simplify right side
    47,771.80x = 1,303,557,302.17
  5. Step 5: Solve for x
    x = 1,303,557,302.17/47,771.80
  6. Step 6: Final answer
    x = 27,287.17

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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.