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Finding the Fourth Proportional to 36,600.60, 54,900.90 and 21,801.90

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Solution

The fourth proportional to 36,600.60, 54,900.90 and 21,801.90 is: 32,702.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,600.60 : 54,900.90 = 21,801.90 : x
  2. Step 2: Convert to fraction form
    36,600.60/54,900.90 = 21,801.90/x
  3. Step 3: Cross multiply
    36,600.60x = 54,900.90 × 21,801.90
  4. Step 4: Simplify right side
    36,600.60x = 1,196,943,931.71
  5. Step 5: Solve for x
    x = 1,196,943,931.71/36,600.60
  6. Step 6: Final answer
    x = 32,702.85

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Similar ratio
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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.