Home / 35,857.80-49,484.96-19,725.78

Finding the Fourth Proportional to 35,857.80, 49,484.96 and 19,725.78

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Solution

The fourth proportional to 35,857.80, 49,484.96 and 19,725.78 is: 27,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,857.80 : 49,484.96 = 19,725.78 : x
  2. Step 2: Convert to fraction form
    35,857.80/49,484.96 = 19,725.78/x
  3. Step 3: Cross multiply
    35,857.80x = 49,484.96 × 19,725.78
  4. Step 4: Simplify right side
    35,857.80x = 976,129,434.27
  5. Step 5: Solve for x
    x = 976,129,434.27/35,857.80
  6. Step 6: Final answer
    x = 27,222.23

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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.