Home / 48,931.86-67,524.82-28,790.04

Finding the Fourth Proportional to 48,931.86, 67,524.82 and 28,790.04

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Solution

The fourth proportional to 48,931.86, 67,524.82 and 28,790.04 is: 39,729.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,931.86 : 67,524.82 = 28,790.04 : x
  2. Step 2: Convert to fraction form
    48,931.86/67,524.82 = 28,790.04/x
  3. Step 3: Cross multiply
    48,931.86x = 67,524.82 × 28,790.04
  4. Step 4: Simplify right side
    48,931.86x = 1,944,042,268.79
  5. Step 5: Solve for x
    x = 1,944,042,268.79/48,931.86
  6. Step 6: Final answer
    x = 39,729.58

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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.