Home / 20,233.80-30,350.70-14,328.90

Finding the Fourth Proportional to 20,233.80, 30,350.70 and 14,328.90

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Solution

The fourth proportional to 20,233.80, 30,350.70 and 14,328.90 is: 21,493.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,233.80 : 30,350.70 = 14,328.90 : x
  2. Step 2: Convert to fraction form
    20,233.80/30,350.70 = 14,328.90/x
  3. Step 3: Cross multiply
    20,233.80x = 30,350.70 × 14,328.90
  4. Step 4: Simplify right side
    20,233.80x = 434,892,145.23
  5. Step 5: Solve for x
    x = 434,892,145.23/20,233.80
  6. Step 6: Final answer
    x = 21,493.35

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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.