Home / 30,724.52-42,393.78-17,296.34

Finding the Fourth Proportional to 30,724.52, 42,393.78 and 17,296.34

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Solution

The fourth proportional to 30,724.52, 42,393.78 and 17,296.34 is: 23,865.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,724.52 : 42,393.78 = 17,296.34 : x
  2. Step 2: Convert to fraction form
    30,724.52/42,393.78 = 17,296.34/x
  3. Step 3: Cross multiply
    30,724.52x = 42,393.78 × 17,296.34
  4. Step 4: Simplify right side
    30,724.52x = 733,257,020.80
  5. Step 5: Solve for x
    x = 733,257,020.80/30,724.52
  6. Step 6: Final answer
    x = 23,865.54

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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.