Home / 31,021.26-42,790.14-27,051.90

Finding the Fourth Proportional to 31,021.26, 42,790.14 and 27,051.90

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Solution

The fourth proportional to 31,021.26, 42,790.14 and 27,051.90 is: 37,314.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,021.26 : 42,790.14 = 27,051.90 : x
  2. Step 2: Convert to fraction form
    31,021.26/42,790.14 = 27,051.90/x
  3. Step 3: Cross multiply
    31,021.26x = 42,790.14 × 27,051.90
  4. Step 4: Simplify right side
    31,021.26x = 1,157,554,588.27
  5. Step 5: Solve for x
    x = 1,157,554,588.27/31,021.26
  6. Step 6: Final answer
    x = 37,314.88

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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.