Home / 30,600.64-42,232.16-17,175.52

Finding the Fourth Proportional to 30,600.64, 42,232.16 and 17,175.52

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Solution

The fourth proportional to 30,600.64, 42,232.16 and 17,175.52 is: 23,704.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,600.64 : 42,232.16 = 17,175.52 : x
  2. Step 2: Convert to fraction form
    30,600.64/42,232.16 = 17,175.52/x
  3. Step 3: Cross multiply
    30,600.64x = 42,232.16 × 17,175.52
  4. Step 4: Simplify right side
    30,600.64x = 725,359,308.72
  5. Step 5: Solve for x
    x = 725,359,308.72/30,600.64
  6. Step 6: Final answer
    x = 23,704.06

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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.