Home / 48,129.78-66,415.41-26,906.16

Finding the Fourth Proportional to 48,129.78, 66,415.41 and 26,906.16

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Solution

The fourth proportional to 48,129.78, 66,415.41 and 26,906.16 is: 37,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,129.78 : 66,415.41 = 26,906.16 : x
  2. Step 2: Convert to fraction form
    48,129.78/66,415.41 = 26,906.16/x
  3. Step 3: Cross multiply
    48,129.78x = 66,415.41 × 26,906.16
  4. Step 4: Simplify right side
    48,129.78x = 1,786,983,647.93
  5. Step 5: Solve for x
    x = 1,786,983,647.93/48,129.78
  6. Step 6: Final answer
    x = 37,128.44

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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.