Home / 31,637.52-43,662.24-17,491.68

Finding the Fourth Proportional to 31,637.52, 43,662.24 and 17,491.68

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Solution

The fourth proportional to 31,637.52, 43,662.24 and 17,491.68 is: 24,139.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,637.52 : 43,662.24 = 17,491.68 : x
  2. Step 2: Convert to fraction form
    31,637.52/43,662.24 = 17,491.68/x
  3. Step 3: Cross multiply
    31,637.52x = 43,662.24 × 17,491.68
  4. Step 4: Simplify right side
    31,637.52x = 763,725,930.16
  5. Step 5: Solve for x
    x = 763,725,930.16/31,637.52
  6. Step 6: Final answer
    x = 24,139.88

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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.