Home / 31,313.30-43,214.01-17,166.74

Finding the Fourth Proportional to 31,313.30, 43,214.01 and 17,166.74

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Solution

The fourth proportional to 31,313.30, 43,214.01 and 17,166.74 is: 23,691.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.30 : 43,214.01 = 17,166.74 : x
  2. Step 2: Convert to fraction form
    31,313.30/43,214.01 = 17,166.74/x
  3. Step 3: Cross multiply
    31,313.30x = 43,214.01 × 17,166.74
  4. Step 4: Simplify right side
    31,313.30x = 741,843,674.03
  5. Step 5: Solve for x
    x = 741,843,674.03/31,313.30
  6. Step 6: Final answer
    x = 23,691.01

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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.