Home / 35,612.78-49,143.60-19,696.16

Finding the Fourth Proportional to 35,612.78, 49,143.60 and 19,696.16

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Solution

The fourth proportional to 35,612.78, 49,143.60 and 19,696.16 is: 27,179.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.78 : 49,143.60 = 19,696.16 : x
  2. Step 2: Convert to fraction form
    35,612.78/49,143.60 = 19,696.16/x
  3. Step 3: Cross multiply
    35,612.78x = 49,143.60 × 19,696.16
  4. Step 4: Simplify right side
    35,612.78x = 967,940,208.58
  5. Step 5: Solve for x
    x = 967,940,208.58/35,612.78
  6. Step 6: Final answer
    x = 27,179.57

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1.5x scale

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.