Home / 48,826.05-67,380.48-28,683.78

Finding the Fourth Proportional to 48,826.05, 67,380.48 and 28,683.78

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Solution

The fourth proportional to 48,826.05, 67,380.48 and 28,683.78 is: 39,583.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,826.05 : 67,380.48 = 28,683.78 : x
  2. Step 2: Convert to fraction form
    48,826.05/67,380.48 = 28,683.78/x
  3. Step 3: Cross multiply
    48,826.05x = 67,380.48 × 28,683.78
  4. Step 4: Simplify right side
    48,826.05x = 1,932,726,864.61
  5. Step 5: Solve for x
    x = 1,932,726,864.61/48,826.05
  6. Step 6: Final answer
    x = 39,583.93

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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.