Home / 35,686.08-49,243.00-19,768.97

Finding the Fourth Proportional to 35,686.08, 49,243.00 and 19,768.97

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Solution

The fourth proportional to 35,686.08, 49,243.00 and 19,768.97 is: 27,279.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,686.08 : 49,243.00 = 19,768.97 : x
  2. Step 2: Convert to fraction form
    35,686.08/49,243.00 = 19,768.97/x
  3. Step 3: Cross multiply
    35,686.08x = 49,243.00 × 19,768.97
  4. Step 4: Simplify right side
    35,686.08x = 973,483,290.87
  5. Step 5: Solve for x
    x = 973,483,290.87/35,686.08
  6. Step 6: Final answer
    x = 27,279.08

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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.