Home / 39,702.12-54,752.36-26,974.35

Finding the Fourth Proportional to 39,702.12, 54,752.36 and 26,974.35

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Solution

The fourth proportional to 39,702.12, 54,752.36 and 26,974.35 is: 37,199.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,702.12 : 54,752.36 = 26,974.35 : x
  2. Step 2: Convert to fraction form
    39,702.12/54,752.36 = 26,974.35/x
  3. Step 3: Cross multiply
    39,702.12x = 54,752.36 × 26,974.35
  4. Step 4: Simplify right side
    39,702.12x = 1,476,909,187.09
  5. Step 5: Solve for x
    x = 1,476,909,187.09/39,702.12
  6. Step 6: Final answer
    x = 37,199.76

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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.