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Finding the Fourth Proportional to 36,348.60, 54,522.90 and 20,537.40

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Solution

The fourth proportional to 36,348.60, 54,522.90 and 20,537.40 is: 30,806.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,348.60 : 54,522.90 = 20,537.40 : x
  2. Step 2: Convert to fraction form
    36,348.60/54,522.90 = 20,537.40/x
  3. Step 3: Cross multiply
    36,348.60x = 54,522.90 × 20,537.40
  4. Step 4: Simplify right side
    36,348.60x = 1,119,758,606.46
  5. Step 5: Solve for x
    x = 1,119,758,606.46/36,348.60
  6. Step 6: Final answer
    x = 30,806.10

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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.