Home / 49,511.59-68,325.06-28,000.96

Finding the Fourth Proportional to 49,511.59, 68,325.06 and 28,000.96

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Solution

The fourth proportional to 49,511.59, 68,325.06 and 28,000.96 is: 38,640.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,511.59 : 68,325.06 = 28,000.96 : x
  2. Step 2: Convert to fraction form
    49,511.59/68,325.06 = 28,000.96/x
  3. Step 3: Cross multiply
    49,511.59x = 68,325.06 × 28,000.96
  4. Step 4: Simplify right side
    49,511.59x = 1,913,167,272.06
  5. Step 5: Solve for x
    x = 1,913,167,272.06/49,511.59
  6. Step 6: Final answer
    x = 38,640.80

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Half scale
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Double scale
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Similar ratio
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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.