Home / 35,785.30-49,382.76-19,869.34

Finding the Fourth Proportional to 35,785.30, 49,382.76 and 19,869.34

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Solution

The fourth proportional to 35,785.30, 49,382.76 and 19,869.34 is: 27,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.30 : 49,382.76 = 19,869.34 : x
  2. Step 2: Convert to fraction form
    35,785.30/49,382.76 = 19,869.34/x
  3. Step 3: Cross multiply
    35,785.30x = 49,382.76 × 19,869.34
  4. Step 4: Simplify right side
    35,785.30x = 981,202,848.58
  5. Step 5: Solve for x
    x = 981,202,848.58/35,785.30
  6. Step 6: Final answer
    x = 27,419.16

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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.