Home / 37,909.68-56,788.37-18,876.98

Finding the Fourth Proportional to 37,909.68, 56,788.37 and 18,876.98

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Solution

The fourth proportional to 37,909.68, 56,788.37 and 18,876.98 is: 28,277.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,909.68 : 56,788.37 = 18,876.98 : x
  2. Step 2: Convert to fraction form
    37,909.68/56,788.37 = 18,876.98/x
  3. Step 3: Cross multiply
    37,909.68x = 56,788.37 × 18,876.98
  4. Step 4: Simplify right side
    37,909.68x = 1,071,992,546.40
  5. Step 5: Solve for x
    x = 1,071,992,546.40/37,909.68
  6. Step 6: Final answer
    x = 28,277.54

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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.