Home / 54,711.48-75,500.79-30,837.69

Finding the Fourth Proportional to 54,711.48, 75,500.79 and 30,837.69

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Solution

The fourth proportional to 54,711.48, 75,500.79 and 30,837.69 is: 42,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,711.48 : 75,500.79 = 30,837.69 : x
  2. Step 2: Convert to fraction form
    54,711.48/75,500.79 = 30,837.69/x
  3. Step 3: Cross multiply
    54,711.48x = 75,500.79 × 30,837.69
  4. Step 4: Simplify right side
    54,711.48x = 2,328,269,956.78
  5. Step 5: Solve for x
    x = 2,328,269,956.78/54,711.48
  6. Step 6: Final answer
    x = 42,555.42

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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.