Home / 48,861.54-67,430.43-27,640.38

Finding the Fourth Proportional to 48,861.54, 67,430.43 and 27,640.38

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Solution

The fourth proportional to 48,861.54, 67,430.43 and 27,640.38 is: 38,144.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,861.54 : 67,430.43 = 27,640.38 : x
  2. Step 2: Convert to fraction form
    48,861.54/67,430.43 = 27,640.38/x
  3. Step 3: Cross multiply
    48,861.54x = 67,430.43 × 27,640.38
  4. Step 4: Simplify right side
    48,861.54x = 1,863,802,708.76
  5. Step 5: Solve for x
    x = 1,863,802,708.76/48,861.54
  6. Step 6: Final answer
    x = 38,144.58

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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.