Home / 30,521.25-42,120.68-17,092.22

Finding the Fourth Proportional to 30,521.25, 42,120.68 and 17,092.22

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Solution

The fourth proportional to 30,521.25, 42,120.68 and 17,092.22 is: 23,588.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.25 : 42,120.68 = 17,092.22 : x
  2. Step 2: Convert to fraction form
    30,521.25/42,120.68 = 17,092.22/x
  3. Step 3: Cross multiply
    30,521.25x = 42,120.68 × 17,092.22
  4. Step 4: Simplify right side
    30,521.25x = 719,935,789.82
  5. Step 5: Solve for x
    x = 719,935,789.82/30,521.25
  6. Step 6: Final answer
    x = 23,588.02

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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.