Home / 31,869.16-43,979.94-17,722.60

Finding the Fourth Proportional to 31,869.16, 43,979.94 and 17,722.60

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Solution

The fourth proportional to 31,869.16, 43,979.94 and 17,722.60 is: 24,457.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,869.16 : 43,979.94 = 17,722.60 : x
  2. Step 2: Convert to fraction form
    31,869.16/43,979.94 = 17,722.60/x
  3. Step 3: Cross multiply
    31,869.16x = 43,979.94 × 17,722.60
  4. Step 4: Simplify right side
    31,869.16x = 779,438,884.64
  5. Step 5: Solve for x
    x = 779,438,884.64/31,869.16
  6. Step 6: Final answer
    x = 24,457.47

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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.