Home / 47,611.39-71,417.80-18,021.28

Finding the Fourth Proportional to 47,611.39, 71,417.80 and 18,021.28

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Solution

The fourth proportional to 47,611.39, 71,417.80 and 18,021.28 is: 27,032.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,611.39 : 71,417.80 = 18,021.28 : x
  2. Step 2: Convert to fraction form
    47,611.39/71,417.80 = 18,021.28/x
  3. Step 3: Cross multiply
    47,611.39x = 71,417.80 × 18,021.28
  4. Step 4: Simplify right side
    47,611.39x = 1,287,040,170.78
  5. Step 5: Solve for x
    x = 1,287,040,170.78/47,611.39
  6. Step 6: Final answer
    x = 27,032.19

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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.