Home / 30,481.20-42,065.37-17,052.39

Finding the Fourth Proportional to 30,481.20, 42,065.37 and 17,052.39

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Solution

The fourth proportional to 30,481.20, 42,065.37 and 17,052.39 is: 23,533.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,481.20 : 42,065.37 = 17,052.39 : x
  2. Step 2: Convert to fraction form
    30,481.20/42,065.37 = 17,052.39/x
  3. Step 3: Cross multiply
    30,481.20x = 42,065.37 × 17,052.39
  4. Step 4: Simplify right side
    30,481.20x = 717,315,094.73
  5. Step 5: Solve for x
    x = 717,315,094.73/30,481.20
  6. Step 6: Final answer
    x = 23,533.03

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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.