Home / 29,351.70-40,511.75-18,589.64

Finding the Fourth Proportional to 29,351.70, 40,511.75 and 18,589.64

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Solution

The fourth proportional to 29,351.70, 40,511.75 and 18,589.64 is: 25,657.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,351.70 : 40,511.75 = 18,589.64 : x
  2. Step 2: Convert to fraction form
    29,351.70/40,511.75 = 18,589.64/x
  3. Step 3: Cross multiply
    29,351.70x = 40,511.75 × 18,589.64
  4. Step 4: Simplify right side
    29,351.70x = 753,098,552.76
  5. Step 5: Solve for x
    x = 753,098,552.76/29,351.70
  6. Step 6: Final answer
    x = 25,657.75

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1.5x scale

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.