Home / 35,612.57-49,142.04-19,696.68

Finding the Fourth Proportional to 35,612.57, 49,142.04 and 19,696.68

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Solution

The fourth proportional to 35,612.57, 49,142.04 and 19,696.68 is: 27,179.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,612.57 : 49,142.04 = 19,696.68 : x
  2. Step 2: Convert to fraction form
    35,612.57/49,142.04 = 19,696.68/x
  3. Step 3: Cross multiply
    35,612.57x = 49,142.04 × 19,696.68
  4. Step 4: Simplify right side
    35,612.57x = 967,934,852.14
  5. Step 5: Solve for x
    x = 967,934,852.14/35,612.57
  6. Step 6: Final answer
    x = 27,179.59

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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.