Home / 36,912.10-55,368.15-25,636.90

Finding the Fourth Proportional to 36,912.10, 55,368.15 and 25,636.90

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Solution

The fourth proportional to 36,912.10, 55,368.15 and 25,636.90 is: 38,455.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,912.10 : 55,368.15 = 25,636.90 : x
  2. Step 2: Convert to fraction form
    36,912.10/55,368.15 = 25,636.90/x
  3. Step 3: Cross multiply
    36,912.10x = 55,368.15 × 25,636.90
  4. Step 4: Simplify right side
    36,912.10x = 1,419,467,724.74
  5. Step 5: Solve for x
    x = 1,419,467,724.74/36,912.10
  6. Step 6: Final answer
    x = 38,455.35

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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.