Home / 20,390.52-30,582.12-5,597.49

Finding the Fourth Proportional to 20,390.52, 30,582.12 and 5,597.49

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Solution

The fourth proportional to 20,390.52, 30,582.12 and 5,597.49 is: 8,395.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,390.52 : 30,582.12 = 5,597.49 : x
  2. Step 2: Convert to fraction form
    20,390.52/30,582.12 = 5,597.49/x
  3. Step 3: Cross multiply
    20,390.52x = 30,582.12 × 5,597.49
  4. Step 4: Simplify right side
    20,390.52x = 171,183,110.88
  5. Step 5: Solve for x
    x = 171,183,110.88/20,390.52
  6. Step 6: Final answer
    x = 8,395.23

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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.