Home / 31,313.70-43,213.90-17,166.42

Finding the Fourth Proportional to 31,313.70, 43,213.90 and 17,166.42

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Solution

The fourth proportional to 31,313.70, 43,213.90 and 17,166.42 is: 23,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,313.70 : 43,213.90 = 17,166.42 : x
  2. Step 2: Convert to fraction form
    31,313.70/43,213.90 = 17,166.42/x
  3. Step 3: Cross multiply
    31,313.70x = 43,213.90 × 17,166.42
  4. Step 4: Simplify right side
    31,313.70x = 741,827,957.24
  5. Step 5: Solve for x
    x = 741,827,957.24/31,313.70
  6. Step 6: Final answer
    x = 23,690.20

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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.