Home / 31,301.94-43,197.78-17,154.78

Finding the Fourth Proportional to 31,301.94, 43,197.78 and 17,154.78

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Solution

The fourth proportional to 31,301.94, 43,197.78 and 17,154.78 is: 23,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,301.94 : 43,197.78 = 17,154.78 : x
  2. Step 2: Convert to fraction form
    31,301.94/43,197.78 = 17,154.78/x
  3. Step 3: Cross multiply
    31,301.94x = 43,197.78 × 17,154.78
  4. Step 4: Simplify right side
    31,301.94x = 741,048,412.39
  5. Step 5: Solve for x
    x = 741,048,412.39/31,301.94
  6. Step 6: Final answer
    x = 23,674.20

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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.