Home / 31,350-43,260.89-17,203.75

Finding the Fourth Proportional to 31,350, 43,260.89 and 17,203.75

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Solution

The fourth proportional to 31,350, 43,260.89 and 17,203.75 is: 23,740.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350 : 43,260.89 = 17,203.75 : x
  2. Step 2: Convert to fraction form
    31,350/43,260.89 = 17,203.75/x
  3. Step 3: Cross multiply
    31,350x = 43,260.89 × 17,203.75
  4. Step 4: Simplify right side
    31,350x = 744,249,536.34
  5. Step 5: Solve for x
    x = 744,249,536.34/31,350
  6. Step 6: Final answer
    x = 23,740.02

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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.