Home / 20,017.50-30,035.58-8,923.03

Finding the Fourth Proportional to 20,017.50, 30,035.58 and 8,923.03

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Solution

The fourth proportional to 20,017.50, 30,035.58 and 8,923.03 is: 13,388.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,017.50 : 30,035.58 = 8,923.03 : x
  2. Step 2: Convert to fraction form
    20,017.50/30,035.58 = 8,923.03/x
  3. Step 3: Cross multiply
    20,017.50x = 30,035.58 × 8,923.03
  4. Step 4: Simplify right side
    20,017.50x = 268,008,272.86
  5. Step 5: Solve for x
    x = 268,008,272.86/20,017.50
  6. Step 6: Final answer
    x = 13,388.70

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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.