Home / 35,705.78-49,272.19-19,790.09

Finding the Fourth Proportional to 35,705.78, 49,272.19 and 19,790.09

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Solution

The fourth proportional to 35,705.78, 49,272.19 and 19,790.09 is: 27,309.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,705.78 : 49,272.19 = 19,790.09 : x
  2. Step 2: Convert to fraction form
    35,705.78/49,272.19 = 19,790.09/x
  3. Step 3: Cross multiply
    35,705.78x = 49,272.19 × 19,790.09
  4. Step 4: Simplify right side
    35,705.78x = 975,101,074.60
  5. Step 5: Solve for x
    x = 975,101,074.60/35,705.78
  6. Step 6: Final answer
    x = 27,309.33

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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.