Home / 31,299.40-43,192.12-17,151.92

Finding the Fourth Proportional to 31,299.40, 43,192.12 and 17,151.92

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Solution

The fourth proportional to 31,299.40, 43,192.12 and 17,151.92 is: 23,669.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,299.40 : 43,192.12 = 17,151.92 : x
  2. Step 2: Convert to fraction form
    31,299.40/43,192.12 = 17,151.92/x
  3. Step 3: Cross multiply
    31,299.40x = 43,192.12 × 17,151.92
  4. Step 4: Simplify right side
    31,299.40x = 740,827,786.87
  5. Step 5: Solve for x
    x = 740,827,786.87/31,299.40
  6. Step 6: Final answer
    x = 23,669.07

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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.