Home / 20,159.20-30,202.35-16,441.30

Finding the Fourth Proportional to 20,159.20, 30,202.35 and 16,441.30

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Solution

The fourth proportional to 20,159.20, 30,202.35 and 16,441.30 is: 24,632.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,159.20 : 30,202.35 = 16,441.30 : x
  2. Step 2: Convert to fraction form
    20,159.20/30,202.35 = 16,441.30/x
  3. Step 3: Cross multiply
    20,159.20x = 30,202.35 × 16,441.30
  4. Step 4: Simplify right side
    20,159.20x = 496,565,897.06
  5. Step 5: Solve for x
    x = 496,565,897.06/20,159.20
  6. Step 6: Final answer
    x = 24,632.22

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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.