Home / 31,449.87-43,400.61-17,302.68

Finding the Fourth Proportional to 31,449.87, 43,400.61 and 17,302.68

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Solution

The fourth proportional to 31,449.87, 43,400.61 and 17,302.68 is: 23,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,449.87 : 43,400.61 = 17,302.68 : x
  2. Step 2: Convert to fraction form
    31,449.87/43,400.61 = 17,302.68/x
  3. Step 3: Cross multiply
    31,449.87x = 43,400.61 × 17,302.68
  4. Step 4: Simplify right side
    31,449.87x = 750,946,866.63
  5. Step 5: Solve for x
    x = 750,946,866.63/31,449.87
  6. Step 6: Final answer
    x = 23,877.58

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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.