Home / 36,438.88-54,664.54-16,719.12

Finding the Fourth Proportional to 36,438.88, 54,664.54 and 16,719.12

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Solution

The fourth proportional to 36,438.88, 54,664.54 and 16,719.12 is: 25,081.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,438.88 : 54,664.54 = 16,719.12 : x
  2. Step 2: Convert to fraction form
    36,438.88/54,664.54 = 16,719.12/x
  3. Step 3: Cross multiply
    36,438.88x = 54,664.54 × 16,719.12
  4. Step 4: Simplify right side
    36,438.88x = 913,943,004.00
  5. Step 5: Solve for x
    x = 913,943,004.00/36,438.88
  6. Step 6: Final answer
    x = 25,081.53

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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.