Home / 36,002.40-49,683.44-20,087.52

Finding the Fourth Proportional to 36,002.40, 49,683.44 and 20,087.52

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Solution

The fourth proportional to 36,002.40, 49,683.44 and 20,087.52 is: 27,720.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,002.40 : 49,683.44 = 20,087.52 : x
  2. Step 2: Convert to fraction form
    36,002.40/49,683.44 = 20,087.52/x
  3. Step 3: Cross multiply
    36,002.40x = 49,683.44 × 20,087.52
  4. Step 4: Simplify right side
    36,002.40x = 998,017,094.67
  5. Step 5: Solve for x
    x = 998,017,094.67/36,002.40
  6. Step 6: Final answer
    x = 27,720.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.