Home / 31,868.28-43,979.43-17,722.14

Finding the Fourth Proportional to 31,868.28, 43,979.43 and 17,722.14

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Solution

The fourth proportional to 31,868.28, 43,979.43 and 17,722.14 is: 24,457.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,868.28 : 43,979.43 = 17,722.14 : x
  2. Step 2: Convert to fraction form
    31,868.28/43,979.43 = 17,722.14/x
  3. Step 3: Cross multiply
    31,868.28x = 43,979.43 × 17,722.14
  4. Step 4: Simplify right side
    31,868.28x = 779,409,615.58
  5. Step 5: Solve for x
    x = 779,409,615.58/31,868.28
  6. Step 6: Final answer
    x = 24,457.22

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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.