Home / 31,518.97-43,496.38-17,371.81

Finding the Fourth Proportional to 31,518.97, 43,496.38 and 17,371.81

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Solution

The fourth proportional to 31,518.97, 43,496.38 and 17,371.81 is: 23,973.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,518.97 : 43,496.38 = 17,371.81 : x
  2. Step 2: Convert to fraction form
    31,518.97/43,496.38 = 17,371.81/x
  3. Step 3: Cross multiply
    31,518.97x = 43,496.38 × 17,371.81
  4. Step 4: Simplify right side
    31,518.97x = 755,610,925.13
  5. Step 5: Solve for x
    x = 755,610,925.13/31,518.97
  6. Step 6: Final answer
    x = 23,973.21

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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.