Home / 34,696.91-47,881.86-18,781.34

Finding the Fourth Proportional to 34,696.91, 47,881.86 and 18,781.34

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Solution

The fourth proportional to 34,696.91, 47,881.86 and 18,781.34 is: 25,918.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,696.91 : 47,881.86 = 18,781.34 : x
  2. Step 2: Convert to fraction form
    34,696.91/47,881.86 = 18,781.34/x
  3. Step 3: Cross multiply
    34,696.91x = 47,881.86 × 18,781.34
  4. Step 4: Simplify right side
    34,696.91x = 899,285,492.49
  5. Step 5: Solve for x
    x = 899,285,492.49/34,696.91
  6. Step 6: Final answer
    x = 25,918.32

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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.