Home / 31,399.68-43,331.58-17,253.58

Finding the Fourth Proportional to 31,399.68, 43,331.58 and 17,253.58

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Solution

The fourth proportional to 31,399.68, 43,331.58 and 17,253.58 is: 23,809.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,399.68 : 43,331.58 = 17,253.58 : x
  2. Step 2: Convert to fraction form
    31,399.68/43,331.58 = 17,253.58/x
  3. Step 3: Cross multiply
    31,399.68x = 43,331.58 × 17,253.58
  4. Step 4: Simplify right side
    31,399.68x = 747,624,882.06
  5. Step 5: Solve for x
    x = 747,624,882.06/31,399.68
  6. Step 6: Final answer
    x = 23,809.95

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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.