Home / 36,787.43-50,782.05-31,151.35

Finding the Fourth Proportional to 36,787.43, 50,782.05 and 31,151.35

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Solution

The fourth proportional to 36,787.43, 50,782.05 and 31,151.35 is: 43,001.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,787.43 : 50,782.05 = 31,151.35 : x
  2. Step 2: Convert to fraction form
    36,787.43/50,782.05 = 31,151.35/x
  3. Step 3: Cross multiply
    36,787.43x = 50,782.05 × 31,151.35
  4. Step 4: Simplify right side
    36,787.43x = 1,581,929,159.36
  5. Step 5: Solve for x
    x = 1,581,929,159.36/36,787.43
  6. Step 6: Final answer
    x = 43,001.90

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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.