Home / 35,725.05-49,299.71-19,809.63

Finding the Fourth Proportional to 35,725.05, 49,299.71 and 19,809.63

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Solution

The fourth proportional to 35,725.05, 49,299.71 and 19,809.63 is: 27,336.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,725.05 : 49,299.71 = 19,809.63 : x
  2. Step 2: Convert to fraction form
    35,725.05/49,299.71 = 19,809.63/x
  3. Step 3: Cross multiply
    35,725.05x = 49,299.71 × 19,809.63
  4. Step 4: Simplify right side
    35,725.05x = 976,608,915.16
  5. Step 5: Solve for x
    x = 976,608,915.16/35,725.05
  6. Step 6: Final answer
    x = 27,336.81

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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.