Home / 57,077.50-78,767.04-31,927

Finding the Fourth Proportional to 57,077.50, 78,767.04 and 31,927

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Solution

The fourth proportional to 57,077.50, 78,767.04 and 31,927 is: 44,059.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,077.50 : 78,767.04 = 31,927 : x
  2. Step 2: Convert to fraction form
    57,077.50/78,767.04 = 31,927/x
  3. Step 3: Cross multiply
    57,077.50x = 78,767.04 × 31,927
  4. Step 4: Simplify right side
    57,077.50x = 2,514,795,286.08
  5. Step 5: Solve for x
    x = 2,514,795,286.08/57,077.50
  6. Step 6: Final answer
    x = 44,059.31

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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.