Home / 38,431.00-57,264.44-34,238.79

Finding the Fourth Proportional to 38,431.00, 57,264.44 and 34,238.79

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Solution

The fourth proportional to 38,431.00, 57,264.44 and 34,238.79 is: 51,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,431.00 : 57,264.44 = 34,238.79 : x
  2. Step 2: Convert to fraction form
    38,431.00/57,264.44 = 34,238.79/x
  3. Step 3: Cross multiply
    38,431.00x = 57,264.44 × 34,238.79
  4. Step 4: Simplify right side
    38,431.00x = 1,960,665,078.81
  5. Step 5: Solve for x
    x = 1,960,665,078.81/38,431.00
  6. Step 6: Final answer
    x = 51,017.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.