Home / 76,378.11-114,539.82-26,444.80

Finding the Fourth Proportional to 76,378.11, 114,539.82 and 26,444.80

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Solution

The fourth proportional to 76,378.11, 114,539.82 and 26,444.80 is: 39,657.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,378.11 : 114,539.82 = 26,444.80 : x
  2. Step 2: Convert to fraction form
    76,378.11/114,539.82 = 26,444.80/x
  3. Step 3: Cross multiply
    76,378.11x = 114,539.82 × 26,444.80
  4. Step 4: Simplify right side
    76,378.11x = 3,028,982,631.94
  5. Step 5: Solve for x
    x = 3,028,982,631.94/76,378.11
  6. Step 6: Final answer
    x = 39,657.73

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1.5x scale

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.