Home / 55,732.62-76,908.39-30,581.58

Finding the Fourth Proportional to 55,732.62, 76,908.39 and 30,581.58

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Solution

The fourth proportional to 55,732.62, 76,908.39 and 30,581.58 is: 42,201.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,732.62 : 76,908.39 = 30,581.58 : x
  2. Step 2: Convert to fraction form
    55,732.62/76,908.39 = 30,581.58/x
  3. Step 3: Cross multiply
    55,732.62x = 76,908.39 × 30,581.58
  4. Step 4: Simplify right side
    55,732.62x = 2,351,980,081.46
  5. Step 5: Solve for x
    x = 2,351,980,081.46/55,732.62
  6. Step 6: Final answer
    x = 42,201.14

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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.