Home / 37,909.18-56,787.62-18,876.48

Finding the Fourth Proportional to 37,909.18, 56,787.62 and 18,876.48

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Solution

The fourth proportional to 37,909.18, 56,787.62 and 18,876.48 is: 28,276.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.18 : 56,787.62 = 18,876.48 : x
  2. Step 2: Convert to fraction form
    37,909.18/56,787.62 = 18,876.48/x
  3. Step 3: Cross multiply
    37,909.18x = 56,787.62 × 18,876.48
  4. Step 4: Simplify right side
    37,909.18x = 1,071,950,065.84
  5. Step 5: Solve for x
    x = 1,071,950,065.84/37,909.18
  6. Step 6: Final answer
    x = 28,276.79

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.