Home / 20,172.52-30,233.34-14,330.44

Finding the Fourth Proportional to 20,172.52, 30,233.34 and 14,330.44

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Solution

The fourth proportional to 20,172.52, 30,233.34 and 14,330.44 is: 21,477.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,172.52 : 30,233.34 = 14,330.44 : x
  2. Step 2: Convert to fraction form
    20,172.52/30,233.34 = 14,330.44/x
  3. Step 3: Cross multiply
    20,172.52x = 30,233.34 × 14,330.44
  4. Step 4: Simplify right side
    20,172.52x = 433,257,064.87
  5. Step 5: Solve for x
    x = 433,257,064.87/20,172.52
  6. Step 6: Final answer
    x = 21,477.59

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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.