Home / 48,138.09-66,433.62-26,917.35

Finding the Fourth Proportional to 48,138.09, 66,433.62 and 26,917.35

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Solution

The fourth proportional to 48,138.09, 66,433.62 and 26,917.35 is: 37,147.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,138.09 : 66,433.62 = 26,917.35 : x
  2. Step 2: Convert to fraction form
    48,138.09/66,433.62 = 26,917.35/x
  3. Step 3: Cross multiply
    48,138.09x = 66,433.62 × 26,917.35
  4. Step 4: Simplify right side
    48,138.09x = 1,788,216,853.12
  5. Step 5: Solve for x
    x = 1,788,216,853.12/48,138.09
  6. Step 6: Final answer
    x = 37,147.65

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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.