Home / 31,537.41-47,301.54-10,187.28

Finding the Fourth Proportional to 31,537.41, 47,301.54 and 10,187.28

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Solution

The fourth proportional to 31,537.41, 47,301.54 and 10,187.28 is: 15,279.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,537.41 : 47,301.54 = 10,187.28 : x
  2. Step 2: Convert to fraction form
    31,537.41/47,301.54 = 10,187.28/x
  3. Step 3: Cross multiply
    31,537.41x = 47,301.54 × 10,187.28
  4. Step 4: Simplify right side
    31,537.41x = 481,874,032.41
  5. Step 5: Solve for x
    x = 481,874,032.41/31,537.41
  6. Step 6: Final answer
    x = 15,279.44

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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.