Home / 31,310.19-43,206.75-17,162.12

Finding the Fourth Proportional to 31,310.19, 43,206.75 and 17,162.12

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Solution

The fourth proportional to 31,310.19, 43,206.75 and 17,162.12 is: 23,683.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,310.19 : 43,206.75 = 17,162.12 : x
  2. Step 2: Convert to fraction form
    31,310.19/43,206.75 = 17,162.12/x
  3. Step 3: Cross multiply
    31,310.19x = 43,206.75 × 17,162.12
  4. Step 4: Simplify right side
    31,310.19x = 741,519,536.33
  5. Step 5: Solve for x
    x = 741,519,536.33/31,310.19
  6. Step 6: Final answer
    x = 23,683.01

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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.