Home / 31,159.26-46,664.40-17,971.65

Finding the Fourth Proportional to 31,159.26, 46,664.40 and 17,971.65

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Solution

The fourth proportional to 31,159.26, 46,664.40 and 17,971.65 is: 26,914.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,159.26 : 46,664.40 = 17,971.65 : x
  2. Step 2: Convert to fraction form
    31,159.26/46,664.40 = 17,971.65/x
  3. Step 3: Cross multiply
    31,159.26x = 46,664.40 × 17,971.65
  4. Step 4: Simplify right side
    31,159.26x = 838,636,264.26
  5. Step 5: Solve for x
    x = 838,636,264.26/31,159.26
  6. Step 6: Final answer
    x = 26,914.51

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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.