Home / 31,350.88-43,263.78-17,203.36

Finding the Fourth Proportional to 31,350.88, 43,263.78 and 17,203.36

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Solution

The fourth proportional to 31,350.88, 43,263.78 and 17,203.36 is: 23,740.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,350.88 : 43,263.78 = 17,203.36 : x
  2. Step 2: Convert to fraction form
    31,350.88/43,263.78 = 17,203.36/x
  3. Step 3: Cross multiply
    31,350.88x = 43,263.78 × 17,203.36
  4. Step 4: Simplify right side
    31,350.88x = 744,282,382.30
  5. Step 5: Solve for x
    x = 744,282,382.30/31,350.88
  6. Step 6: Final answer
    x = 23,740.40

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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.