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Finding the Fourth Proportional to 36,002.40, 54,027.90 and 20,207.40

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Solution

The fourth proportional to 36,002.40, 54,027.90 and 20,207.40 is: 30,324.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.40 : 54,027.90 = 20,207.40 : x
  2. Step 2: Convert to fraction form
    36,002.40/54,027.90 = 20,207.40/x
  3. Step 3: Cross multiply
    36,002.40x = 54,027.90 × 20,207.40
  4. Step 4: Simplify right side
    36,002.40x = 1,091,763,386.46
  5. Step 5: Solve for x
    x = 1,091,763,386.46/36,002.40
  6. Step 6: Final answer
    x = 30,324.74

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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.