Home / 36,403.54-54,588.56-18,885.66

Finding the Fourth Proportional to 36,403.54, 54,588.56 and 18,885.66

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Solution

The fourth proportional to 36,403.54, 54,588.56 and 18,885.66 is: 28,319.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,403.54 : 54,588.56 = 18,885.66 : x
  2. Step 2: Convert to fraction form
    36,403.54/54,588.56 = 18,885.66/x
  3. Step 3: Cross multiply
    36,403.54x = 54,588.56 × 18,885.66
  4. Step 4: Simplify right side
    36,403.54x = 1,030,940,984.05
  5. Step 5: Solve for x
    x = 1,030,940,984.05/36,403.54
  6. Step 6: Final answer
    x = 28,319.80

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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.