Home / 33,138.62-45,730.73-18,030.89

Finding the Fourth Proportional to 33,138.62, 45,730.73 and 18,030.89

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Solution

The fourth proportional to 33,138.62, 45,730.73 and 18,030.89 is: 24,882.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,138.62 : 45,730.73 = 18,030.89 : x
  2. Step 2: Convert to fraction form
    33,138.62/45,730.73 = 18,030.89/x
  3. Step 3: Cross multiply
    33,138.62x = 45,730.73 × 18,030.89
  4. Step 4: Simplify right side
    33,138.62x = 824,565,443.44
  5. Step 5: Solve for x
    x = 824,565,443.44/33,138.62
  6. Step 6: Final answer
    x = 24,882.31

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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.