Home / 20,231.65-30,363.35-14,035.26

Finding the Fourth Proportional to 20,231.65, 30,363.35 and 14,035.26

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Solution

The fourth proportional to 20,231.65, 30,363.35 and 14,035.26 is: 21,063.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,231.65 : 30,363.35 = 14,035.26 : x
  2. Step 2: Convert to fraction form
    20,231.65/30,363.35 = 14,035.26/x
  3. Step 3: Cross multiply
    20,231.65x = 30,363.35 × 14,035.26
  4. Step 4: Simplify right side
    20,231.65x = 426,157,511.72
  5. Step 5: Solve for x
    x = 426,157,511.72/20,231.65
  6. Step 6: Final answer
    x = 21,063.90

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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.