Home / 48,928.69-67,496.89-28,772.74

Finding the Fourth Proportional to 48,928.69, 67,496.89 and 28,772.74

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Solution

The fourth proportional to 48,928.69, 67,496.89 and 28,772.74 is: 39,691.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,928.69 : 67,496.89 = 28,772.74 : x
  2. Step 2: Convert to fraction form
    48,928.69/67,496.89 = 28,772.74/x
  3. Step 3: Cross multiply
    48,928.69x = 67,496.89 × 28,772.74
  4. Step 4: Simplify right side
    48,928.69x = 1,942,069,985.43
  5. Step 5: Solve for x
    x = 1,942,069,985.43/48,928.69
  6. Step 6: Final answer
    x = 39,691.85

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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.