Home / 34,746.98-47,951.19-19,639.80

Finding the Fourth Proportional to 34,746.98, 47,951.19 and 19,639.80

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Solution

The fourth proportional to 34,746.98, 47,951.19 and 19,639.80 is: 27,103.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,746.98 : 47,951.19 = 19,639.80 : x
  2. Step 2: Convert to fraction form
    34,746.98/47,951.19 = 19,639.80/x
  3. Step 3: Cross multiply
    34,746.98x = 47,951.19 × 19,639.80
  4. Step 4: Simplify right side
    34,746.98x = 941,751,781.36
  5. Step 5: Solve for x
    x = 941,751,781.36/34,746.98
  6. Step 6: Final answer
    x = 27,103.13

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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.