Home / 36,989.62-51,045.88-20,222.62

Finding the Fourth Proportional to 36,989.62, 51,045.88 and 20,222.62

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Solution

The fourth proportional to 36,989.62, 51,045.88 and 20,222.62 is: 27,907.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,989.62 : 51,045.88 = 20,222.62 : x
  2. Step 2: Convert to fraction form
    36,989.62/51,045.88 = 20,222.62/x
  3. Step 3: Cross multiply
    36,989.62x = 51,045.88 × 20,222.62
  4. Step 4: Simplify right side
    36,989.62x = 1,032,281,433.81
  5. Step 5: Solve for x
    x = 1,032,281,433.81/36,989.62
  6. Step 6: Final answer
    x = 27,907.33

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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.