Home / 33,138.56-45,730.62-18,030.71

Finding the Fourth Proportional to 33,138.56, 45,730.62 and 18,030.71

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Solution

The fourth proportional to 33,138.56, 45,730.62 and 18,030.71 is: 24,882.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.56 : 45,730.62 = 18,030.71 : x
  2. Step 2: Convert to fraction form
    33,138.56/45,730.62 = 18,030.71/x
  3. Step 3: Cross multiply
    33,138.56x = 45,730.62 × 18,030.71
  4. Step 4: Simplify right side
    33,138.56x = 824,555,318.69
  5. Step 5: Solve for x
    x = 824,555,318.69/33,138.56
  6. Step 6: Final answer
    x = 24,882.05

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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.