Home / 31,696.76-43,741.51-17,550.50

Finding the Fourth Proportional to 31,696.76, 43,741.51 and 17,550.50

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Solution

The fourth proportional to 31,696.76, 43,741.51 and 17,550.50 is: 24,219.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.76 : 43,741.51 = 17,550.50 : x
  2. Step 2: Convert to fraction form
    31,696.76/43,741.51 = 17,550.50/x
  3. Step 3: Cross multiply
    31,696.76x = 43,741.51 × 17,550.50
  4. Step 4: Simplify right side
    31,696.76x = 767,685,371.26
  5. Step 5: Solve for x
    x = 767,685,371.26/31,696.76
  6. Step 6: Final answer
    x = 24,219.68

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1.5x scale

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.