Home / 29,264.78-40,385.64-17,172.49

Finding the Fourth Proportional to 29,264.78, 40,385.64 and 17,172.49

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Solution

The fourth proportional to 29,264.78, 40,385.64 and 17,172.49 is: 23,698.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,264.78 : 40,385.64 = 17,172.49 : x
  2. Step 2: Convert to fraction form
    29,264.78/40,385.64 = 17,172.49/x
  3. Step 3: Cross multiply
    29,264.78x = 40,385.64 × 17,172.49
  4. Step 4: Simplify right side
    29,264.78x = 693,521,913.18
  5. Step 5: Solve for x
    x = 693,521,913.18/29,264.78
  6. Step 6: Final answer
    x = 23,698.18

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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.