Home / 34,015.21-46,929.78-20,581.36

Finding the Fourth Proportional to 34,015.21, 46,929.78 and 20,581.36

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Solution

The fourth proportional to 34,015.21, 46,929.78 and 20,581.36 is: 28,395.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,015.21 : 46,929.78 = 20,581.36 : x
  2. Step 2: Convert to fraction form
    34,015.21/46,929.78 = 20,581.36/x
  3. Step 3: Cross multiply
    34,015.21x = 46,929.78 × 20,581.36
  4. Step 4: Simplify right side
    34,015.21x = 965,878,696.90
  5. Step 5: Solve for x
    x = 965,878,696.90/34,015.21
  6. Step 6: Final answer
    x = 28,395.49

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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.