Home / 31,159.62-46,686.24-17,131.39

Finding the Fourth Proportional to 31,159.62, 46,686.24 and 17,131.39

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Solution

The fourth proportional to 31,159.62, 46,686.24 and 17,131.39 is: 25,667.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.62 : 46,686.24 = 17,131.39 : x
  2. Step 2: Convert to fraction form
    31,159.62/46,686.24 = 17,131.39/x
  3. Step 3: Cross multiply
    31,159.62x = 46,686.24 × 17,131.39
  4. Step 4: Simplify right side
    31,159.62x = 799,800,068.36
  5. Step 5: Solve for x
    x = 799,800,068.36/31,159.62
  6. Step 6: Final answer
    x = 25,667.84

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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.