Home / 33,431.60-46,135.19-18,117.82

Finding the Fourth Proportional to 33,431.60, 46,135.19 and 18,117.82

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Solution

The fourth proportional to 33,431.60, 46,135.19 and 18,117.82 is: 25,002.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,431.60 : 46,135.19 = 18,117.82 : x
  2. Step 2: Convert to fraction form
    33,431.60/46,135.19 = 18,117.82/x
  3. Step 3: Cross multiply
    33,431.60x = 46,135.19 × 18,117.82
  4. Step 4: Simplify right side
    33,431.60x = 835,868,837.41
  5. Step 5: Solve for x
    x = 835,868,837.41/33,431.60
  6. Step 6: Final answer
    x = 25,002.36

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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.