Home / 30,411.40-45,628.44-18,589.44

Finding the Fourth Proportional to 30,411.40, 45,628.44 and 18,589.44

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Solution

The fourth proportional to 30,411.40, 45,628.44 and 18,589.44 is: 27,891.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,411.40 : 45,628.44 = 18,589.44 : x
  2. Step 2: Convert to fraction form
    30,411.40/45,628.44 = 18,589.44/x
  3. Step 3: Cross multiply
    30,411.40x = 45,628.44 × 18,589.44
  4. Step 4: Simplify right side
    30,411.40x = 848,207,147.67
  5. Step 5: Solve for x
    x = 848,207,147.67/30,411.40
  6. Step 6: Final answer
    x = 27,891.09

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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.