Home / 30,760.52-42,449.01-17,333.15

Finding the Fourth Proportional to 30,760.52, 42,449.01 and 17,333.15

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Solution

The fourth proportional to 30,760.52, 42,449.01 and 17,333.15 is: 23,919.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,760.52 : 42,449.01 = 17,333.15 : x
  2. Step 2: Convert to fraction form
    30,760.52/42,449.01 = 17,333.15/x
  3. Step 3: Cross multiply
    30,760.52x = 42,449.01 × 17,333.15
  4. Step 4: Simplify right side
    30,760.52x = 735,775,057.68
  5. Step 5: Solve for x
    x = 735,775,057.68/30,760.52
  6. Step 6: Final answer
    x = 23,919.46

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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.