Home / 36,730.80-55,096.20-21,135.60

Finding the Fourth Proportional to 36,730.80, 55,096.20 and 21,135.60

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Solution

The fourth proportional to 36,730.80, 55,096.20 and 21,135.60 is: 31,703.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.80 : 55,096.20 = 21,135.60 : x
  2. Step 2: Convert to fraction form
    36,730.80/55,096.20 = 21,135.60/x
  3. Step 3: Cross multiply
    36,730.80x = 55,096.20 × 21,135.60
  4. Step 4: Simplify right side
    36,730.80x = 1,164,491,244.72
  5. Step 5: Solve for x
    x = 1,164,491,244.72/36,730.80
  6. Step 6: Final answer
    x = 31,703.40

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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.