Home / 31,636.36-43,660.38-17,490.52

Finding the Fourth Proportional to 31,636.36, 43,660.38 and 17,490.52

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Solution

The fourth proportional to 31,636.36, 43,660.38 and 17,490.52 is: 24,138.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,636.36 : 43,660.38 = 17,490.52 : x
  2. Step 2: Convert to fraction form
    31,636.36/43,660.38 = 17,490.52/x
  3. Step 3: Cross multiply
    31,636.36x = 43,660.38 × 17,490.52
  4. Step 4: Simplify right side
    31,636.36x = 763,642,749.60
  5. Step 5: Solve for x
    x = 763,642,749.60/31,636.36
  6. Step 6: Final answer
    x = 24,138.14

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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.