Home / 49,951.08-68,930.60-28,737.18

Finding the Fourth Proportional to 49,951.08, 68,930.60 and 28,737.18

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Solution

The fourth proportional to 49,951.08, 68,930.60 and 28,737.18 is: 39,656.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,951.08 : 68,930.60 = 28,737.18 : x
  2. Step 2: Convert to fraction form
    49,951.08/68,930.60 = 28,737.18/x
  3. Step 3: Cross multiply
    49,951.08x = 68,930.60 × 28,737.18
  4. Step 4: Simplify right side
    49,951.08x = 1,980,870,916.02
  5. Step 5: Solve for x
    x = 1,980,870,916.02/49,951.08
  6. Step 6: Final answer
    x = 39,656.22

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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.