Home / 30,185.08-45,021.41-29,660.20

Finding the Fourth Proportional to 30,185.08, 45,021.41 and 29,660.20

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Solution

The fourth proportional to 30,185.08, 45,021.41 and 29,660.20 is: 44,238.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,185.08 : 45,021.41 = 29,660.20 : x
  2. Step 2: Convert to fraction form
    30,185.08/45,021.41 = 29,660.20/x
  3. Step 3: Cross multiply
    30,185.08x = 45,021.41 × 29,660.20
  4. Step 4: Simplify right side
    30,185.08x = 1,335,344,024.88
  5. Step 5: Solve for x
    x = 1,335,344,024.88/30,185.08
  6. Step 6: Final answer
    x = 44,238.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.