Home / 31,336.13-43,243.85-17,189.00

Finding the Fourth Proportional to 31,336.13, 43,243.85 and 17,189.00

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Solution

The fourth proportional to 31,336.13, 43,243.85 and 17,189.00 is: 23,720.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,336.13 : 43,243.85 = 17,189.00 : x
  2. Step 2: Convert to fraction form
    31,336.13/43,243.85 = 17,189.00/x
  3. Step 3: Cross multiply
    31,336.13x = 43,243.85 × 17,189.00
  4. Step 4: Simplify right side
    31,336.13x = 743,318,688.73
  5. Step 5: Solve for x
    x = 743,318,688.73/31,336.13
  6. Step 6: Final answer
    x = 23,720.82

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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.