Home / 38,910.23-53,912.97-38,069.45

Finding the Fourth Proportional to 38,910.23, 53,912.97 and 38,069.45

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Solution

The fourth proportional to 38,910.23, 53,912.97 and 38,069.45 is: 52,748.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,910.23 : 53,912.97 = 38,069.45 : x
  2. Step 2: Convert to fraction form
    38,910.23/53,912.97 = 38,069.45/x
  3. Step 3: Cross multiply
    38,910.23x = 53,912.97 × 38,069.45
  4. Step 4: Simplify right side
    38,910.23x = 2,052,437,115.77
  5. Step 5: Solve for x
    x = 2,052,437,115.77/38,910.23
  6. Step 6: Final answer
    x = 52,748.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.