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Finding the Fourth Proportional to 48,640.48, 67,123.84 and 26,284.48

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Solution

The fourth proportional to 48,640.48, 67,123.84 and 26,284.48 is: 36,272.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,640.48 : 67,123.84 = 26,284.48 : x
  2. Step 2: Convert to fraction form
    48,640.48/67,123.84 = 26,284.48/x
  3. Step 3: Cross multiply
    48,640.48x = 67,123.84 × 26,284.48
  4. Step 4: Simplify right side
    48,640.48x = 1,764,315,230.00
  5. Step 5: Solve for x
    x = 1,764,315,230.00/48,640.48
  6. Step 6: Final answer
    x = 36,272.57

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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.