Home / 31,263.21-43,143.21-17,116.05

Finding the Fourth Proportional to 31,263.21, 43,143.21 and 17,116.05

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Solution

The fourth proportional to 31,263.21, 43,143.21 and 17,116.05 is: 23,620.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,263.21 : 43,143.21 = 17,116.05 : x
  2. Step 2: Convert to fraction form
    31,263.21/43,143.21 = 17,116.05/x
  3. Step 3: Cross multiply
    31,263.21x = 43,143.21 × 17,116.05
  4. Step 4: Simplify right side
    31,263.21x = 738,441,339.52
  5. Step 5: Solve for x
    x = 738,441,339.52/31,263.21
  6. Step 6: Final answer
    x = 23,620.14

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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.