Home / 48,731.86-67,250.54-28,589.09

Finding the Fourth Proportional to 48,731.86, 67,250.54 and 28,589.09

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Solution

The fourth proportional to 48,731.86, 67,250.54 and 28,589.09 is: 39,453.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,731.86 : 67,250.54 = 28,589.09 : x
  2. Step 2: Convert to fraction form
    48,731.86/67,250.54 = 28,589.09/x
  3. Step 3: Cross multiply
    48,731.86x = 67,250.54 × 28,589.09
  4. Step 4: Simplify right side
    48,731.86x = 1,922,631,740.61
  5. Step 5: Solve for x
    x = 1,922,631,740.61/48,731.86
  6. Step 6: Final answer
    x = 39,453.28

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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.