Home / 37,876.77-52,269.94-20,881.31

Finding the Fourth Proportional to 37,876.77, 52,269.94 and 20,881.31

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Solution

The fourth proportional to 37,876.77, 52,269.94 and 20,881.31 is: 28,816.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,876.77 : 52,269.94 = 20,881.31 : x
  2. Step 2: Convert to fraction form
    37,876.77/52,269.94 = 20,881.31/x
  3. Step 3: Cross multiply
    37,876.77x = 52,269.94 × 20,881.31
  4. Step 4: Simplify right side
    37,876.77x = 1,091,464,585.57
  5. Step 5: Solve for x
    x = 1,091,464,585.57/37,876.77
  6. Step 6: Final answer
    x = 28,816.20

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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.