Home / 20,270.47-30,451.84-14,665.43

Finding the Fourth Proportional to 20,270.47, 30,451.84 and 14,665.43

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Solution

The fourth proportional to 20,270.47, 30,451.84 and 14,665.43 is: 22,031.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,270.47 : 30,451.84 = 14,665.43 : x
  2. Step 2: Convert to fraction form
    20,270.47/30,451.84 = 14,665.43/x
  3. Step 3: Cross multiply
    20,270.47x = 30,451.84 × 14,665.43
  4. Step 4: Simplify right side
    20,270.47x = 446,589,327.89
  5. Step 5: Solve for x
    x = 446,589,327.89/20,270.47
  6. Step 6: Final answer
    x = 22,031.52

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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.