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Finding the Fourth Proportional to 36,011.40, 54,017.10 and 20,200.20

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Solution

The fourth proportional to 36,011.40, 54,017.10 and 20,200.20 is: 30,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,011.40 : 54,017.10 = 20,200.20 : x
  2. Step 2: Convert to fraction form
    36,011.40/54,017.10 = 20,200.20/x
  3. Step 3: Cross multiply
    36,011.40x = 54,017.10 × 20,200.20
  4. Step 4: Simplify right side
    36,011.40x = 1,091,156,223.42
  5. Step 5: Solve for x
    x = 1,091,156,223.42/36,011.40
  6. Step 6: Final answer
    x = 30,300.30

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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.