Home / 30,573.16-42,193.22-17,144.36

Finding the Fourth Proportional to 30,573.16, 42,193.22 and 17,144.36

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Solution

The fourth proportional to 30,573.16, 42,193.22 and 17,144.36 is: 23,660.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,573.16 : 42,193.22 = 17,144.36 : x
  2. Step 2: Convert to fraction form
    30,573.16/42,193.22 = 17,144.36/x
  3. Step 3: Cross multiply
    30,573.16x = 42,193.22 × 17,144.36
  4. Step 4: Simplify right side
    30,573.16x = 723,375,753.24
  5. Step 5: Solve for x
    x = 723,375,753.24/30,573.16
  6. Step 6: Final answer
    x = 23,660.48

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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.