Home / 33,130.82-45,720.05-18,023.61

Finding the Fourth Proportional to 33,130.82, 45,720.05 and 18,023.61

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Solution

The fourth proportional to 33,130.82, 45,720.05 and 18,023.61 is: 24,872.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,130.82 : 45,720.05 = 18,023.61 : x
  2. Step 2: Convert to fraction form
    33,130.82/45,720.05 = 18,023.61/x
  3. Step 3: Cross multiply
    33,130.82x = 45,720.05 × 18,023.61
  4. Step 4: Simplify right side
    33,130.82x = 824,040,431.71
  5. Step 5: Solve for x
    x = 824,040,431.71/33,130.82
  6. Step 6: Final answer
    x = 24,872.32

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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.