Home / 31,629.51-43,646.85-17,481.51

Finding the Fourth Proportional to 31,629.51, 43,646.85 and 17,481.51

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Solution

The fourth proportional to 31,629.51, 43,646.85 and 17,481.51 is: 24,123.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,629.51 : 43,646.85 = 17,481.51 : x
  2. Step 2: Convert to fraction form
    31,629.51/43,646.85 = 17,481.51/x
  3. Step 3: Cross multiply
    31,629.51x = 43,646.85 × 17,481.51
  4. Step 4: Simplify right side
    31,629.51x = 763,012,844.74
  5. Step 5: Solve for x
    x = 763,012,844.74/31,629.51
  6. Step 6: Final answer
    x = 24,123.45

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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.