Home / 31,333.40-43,240.52-17,185.28

Finding the Fourth Proportional to 31,333.40, 43,240.52 and 17,185.28

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Solution

The fourth proportional to 31,333.40, 43,240.52 and 17,185.28 is: 23,715.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,333.40 : 43,240.52 = 17,185.28 : x
  2. Step 2: Convert to fraction form
    31,333.40/43,240.52 = 17,185.28/x
  3. Step 3: Cross multiply
    31,333.40x = 43,240.52 × 17,185.28
  4. Step 4: Simplify right side
    31,333.40x = 743,100,443.55
  5. Step 5: Solve for x
    x = 743,100,443.55/31,333.40
  6. Step 6: Final answer
    x = 23,715.92

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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.