Home / 35,785.55-49,383.11-19,869.59

Finding the Fourth Proportional to 35,785.55, 49,383.11 and 19,869.59

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Solution

The fourth proportional to 35,785.55, 49,383.11 and 19,869.59 is: 27,419.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.55 : 49,383.11 = 19,869.59 : x
  2. Step 2: Convert to fraction form
    35,785.55/49,383.11 = 19,869.59/x
  3. Step 3: Cross multiply
    35,785.55x = 49,383.11 × 19,869.59
  4. Step 4: Simplify right side
    35,785.55x = 981,222,148.62
  5. Step 5: Solve for x
    x = 981,222,148.62/35,785.55
  6. Step 6: Final answer
    x = 27,419.51

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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.