Home / 31,206.16-43,064.46-16,865.97

Finding the Fourth Proportional to 31,206.16, 43,064.46 and 16,865.97

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Solution

The fourth proportional to 31,206.16, 43,064.46 and 16,865.97 is: 23,275.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.16 : 43,064.46 = 16,865.97 : x
  2. Step 2: Convert to fraction form
    31,206.16/43,064.46 = 16,865.97/x
  3. Step 3: Cross multiply
    31,206.16x = 43,064.46 × 16,865.97
  4. Step 4: Simplify right side
    31,206.16x = 726,323,971.17
  5. Step 5: Solve for x
    x = 726,323,971.17/31,206.16
  6. Step 6: Final answer
    x = 23,275.02

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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.