Home / 48,128.57-66,418.83-26,618.96

Finding the Fourth Proportional to 48,128.57, 66,418.83 and 26,618.96

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Solution

The fourth proportional to 48,128.57, 66,418.83 and 26,618.96 is: 36,734.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,128.57 : 66,418.83 = 26,618.96 : x
  2. Step 2: Convert to fraction form
    48,128.57/66,418.83 = 26,618.96/x
  3. Step 3: Cross multiply
    48,128.57x = 66,418.83 × 26,618.96
  4. Step 4: Simplify right side
    48,128.57x = 1,767,999,846.92
  5. Step 5: Solve for x
    x = 1,767,999,846.92/48,128.57
  6. Step 6: Final answer
    x = 36,734.94

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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.