Home / 35,758.08-49,346.16-19,845.09

Finding the Fourth Proportional to 35,758.08, 49,346.16 and 19,845.09

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Solution

The fourth proportional to 35,758.08, 49,346.16 and 19,845.09 is: 27,386.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,758.08 : 49,346.16 = 19,845.09 : x
  2. Step 2: Convert to fraction form
    35,758.08/49,346.16 = 19,845.09/x
  3. Step 3: Cross multiply
    35,758.08x = 49,346.16 × 19,845.09
  4. Step 4: Simplify right side
    35,758.08x = 979,278,986.35
  5. Step 5: Solve for x
    x = 979,278,986.35/35,758.08
  6. Step 6: Final answer
    x = 27,386.23

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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.