Home / 20,246.30-30,369.45-19,468.70

Finding the Fourth Proportional to 20,246.30, 30,369.45 and 19,468.70

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Solution

The fourth proportional to 20,246.30, 30,369.45 and 19,468.70 is: 29,203.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,246.30 : 30,369.45 = 19,468.70 : x
  2. Step 2: Convert to fraction form
    20,246.30/30,369.45 = 19,468.70/x
  3. Step 3: Cross multiply
    20,246.30x = 30,369.45 × 19,468.70
  4. Step 4: Simplify right side
    20,246.30x = 591,253,711.22
  5. Step 5: Solve for x
    x = 591,253,711.22/20,246.30
  6. Step 6: Final answer
    x = 29,203.05

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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.