Home / 35,755.08-49,342.88-19,839.76

Finding the Fourth Proportional to 35,755.08, 49,342.88 and 19,839.76

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Solution

The fourth proportional to 35,755.08, 49,342.88 and 19,839.76 is: 27,379.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,755.08 : 49,342.88 = 19,839.76 : x
  2. Step 2: Convert to fraction form
    35,755.08/49,342.88 = 19,839.76/x
  3. Step 3: Cross multiply
    35,755.08x = 49,342.88 × 19,839.76
  4. Step 4: Simplify right side
    35,755.08x = 978,950,896.91
  5. Step 5: Solve for x
    x = 978,950,896.91/35,755.08
  6. Step 6: Final answer
    x = 27,379.35

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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.