Home / 20,328.50-30,461.26-14,100.62

Finding the Fourth Proportional to 20,328.50, 30,461.26 and 14,100.62

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Solution

The fourth proportional to 20,328.50, 30,461.26 and 14,100.62 is: 21,129.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,328.50 : 30,461.26 = 14,100.62 : x
  2. Step 2: Convert to fraction form
    20,328.50/30,461.26 = 14,100.62/x
  3. Step 3: Cross multiply
    20,328.50x = 30,461.26 × 14,100.62
  4. Step 4: Simplify right side
    20,328.50x = 429,522,651.98
  5. Step 5: Solve for x
    x = 429,522,651.98/20,328.50
  6. Step 6: Final answer
    x = 21,129.09

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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.