Home / 34,072.52-51,128.22-13,291.16

Finding the Fourth Proportional to 34,072.52, 51,128.22 and 13,291.16

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Solution

The fourth proportional to 34,072.52, 51,128.22 and 13,291.16 is: 19,944.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,072.52 : 51,128.22 = 13,291.16 : x
  2. Step 2: Convert to fraction form
    34,072.52/51,128.22 = 13,291.16/x
  3. Step 3: Cross multiply
    34,072.52x = 51,128.22 × 13,291.16
  4. Step 4: Simplify right side
    34,072.52x = 679,553,352.54
  5. Step 5: Solve for x
    x = 679,553,352.54/34,072.52
  6. Step 6: Final answer
    x = 19,944.32

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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.