Home / 54,812.61-75,634.97-30,937.86

Finding the Fourth Proportional to 54,812.61, 75,634.97 and 30,937.86

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Solution

The fourth proportional to 54,812.61, 75,634.97 and 30,937.86 is: 42,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,812.61 : 75,634.97 = 30,937.86 : x
  2. Step 2: Convert to fraction form
    54,812.61/75,634.97 = 30,937.86/x
  3. Step 3: Cross multiply
    54,812.61x = 75,634.97 × 30,937.86
  4. Step 4: Simplify right side
    54,812.61x = 2,339,983,958.27
  5. Step 5: Solve for x
    x = 2,339,983,958.27/54,812.61
  6. Step 6: Final answer
    x = 42,690.61

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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.