Home / 35,813.12-49,419.96-19,896.68

Finding the Fourth Proportional to 35,813.12, 49,419.96 and 19,896.68

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Solution

The fourth proportional to 35,813.12, 49,419.96 and 19,896.68 is: 27,456.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,813.12 : 49,419.96 = 19,896.68 : x
  2. Step 2: Convert to fraction form
    35,813.12/49,419.96 = 19,896.68/x
  3. Step 3: Cross multiply
    35,813.12x = 49,419.96 × 19,896.68
  4. Step 4: Simplify right side
    35,813.12x = 983,293,129.73
  5. Step 5: Solve for x
    x = 983,293,129.73/35,813.12
  6. Step 6: Final answer
    x = 27,456.23

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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.