Home / 39,701.07-54,781.11-22,702.41

Finding the Fourth Proportional to 39,701.07, 54,781.11 and 22,702.41

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Solution

The fourth proportional to 39,701.07, 54,781.11 and 22,702.41 is: 31,325.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,701.07 : 54,781.11 = 22,702.41 : x
  2. Step 2: Convert to fraction form
    39,701.07/54,781.11 = 22,702.41/x
  3. Step 3: Cross multiply
    39,701.07x = 54,781.11 × 22,702.41
  4. Step 4: Simplify right side
    39,701.07x = 1,243,663,219.48
  5. Step 5: Solve for x
    x = 1,243,663,219.48/39,701.07
  6. Step 6: Final answer
    x = 31,325.69

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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.