Home / 31,334.28-43,243.36-17,187.12

Finding the Fourth Proportional to 31,334.28, 43,243.36 and 17,187.12

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Solution

The fourth proportional to 31,334.28, 43,243.36 and 17,187.12 is: 23,719.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,334.28 : 43,243.36 = 17,187.12 : x
  2. Step 2: Convert to fraction form
    31,334.28/43,243.36 = 17,187.12/x
  3. Step 3: Cross multiply
    31,334.28x = 43,243.36 × 17,187.12
  4. Step 4: Simplify right side
    31,334.28x = 743,228,817.52
  5. Step 5: Solve for x
    x = 743,228,817.52/31,334.28
  6. Step 6: Final answer
    x = 23,719.35

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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.