Home / 30,284.40-41,793.66-18,340.98

Finding the Fourth Proportional to 30,284.40, 41,793.66 and 18,340.98

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Solution

The fourth proportional to 30,284.40, 41,793.66 and 18,340.98 is: 25,311.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,284.40 : 41,793.66 = 18,340.98 : x
  2. Step 2: Convert to fraction form
    30,284.40/41,793.66 = 18,340.98/x
  3. Step 3: Cross multiply
    30,284.40x = 41,793.66 × 18,340.98
  4. Step 4: Simplify right side
    30,284.40x = 766,536,682.19
  5. Step 5: Solve for x
    x = 766,536,682.19/30,284.40
  6. Step 6: Final answer
    x = 25,311.27

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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.