Home / 39,640.92-54,706.99-26,188.60

Finding the Fourth Proportional to 39,640.92, 54,706.99 and 26,188.60

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Solution

The fourth proportional to 39,640.92, 54,706.99 and 26,188.60 is: 36,141.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,640.92 : 54,706.99 = 26,188.60 : x
  2. Step 2: Convert to fraction form
    39,640.92/54,706.99 = 26,188.60/x
  3. Step 3: Cross multiply
    39,640.92x = 54,706.99 × 26,188.60
  4. Step 4: Simplify right side
    39,640.92x = 1,432,699,478.31
  5. Step 5: Solve for x
    x = 1,432,699,478.31/39,640.92
  6. Step 6: Final answer
    x = 36,141.93

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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.