Home / 38,912.98-53,699.97-23,005.30

Finding the Fourth Proportional to 38,912.98, 53,699.97 and 23,005.30

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Solution

The fourth proportional to 38,912.98, 53,699.97 and 23,005.30 is: 31,747.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,912.98 : 53,699.97 = 23,005.30 : x
  2. Step 2: Convert to fraction form
    38,912.98/53,699.97 = 23,005.30/x
  3. Step 3: Cross multiply
    38,912.98x = 53,699.97 × 23,005.30
  4. Step 4: Simplify right side
    38,912.98x = 1,235,383,919.84
  5. Step 5: Solve for x
    x = 1,235,383,919.84/38,912.98
  6. Step 6: Final answer
    x = 31,747.35

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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.