Home / 35,785.06-49,385.85-19,871.26

Finding the Fourth Proportional to 35,785.06, 49,385.85 and 19,871.26

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Solution

The fourth proportional to 35,785.06, 49,385.85 and 19,871.26 is: 27,423.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.06 : 49,385.85 = 19,871.26 : x
  2. Step 2: Convert to fraction form
    35,785.06/49,385.85 = 19,871.26/x
  3. Step 3: Cross multiply
    35,785.06x = 49,385.85 × 19,871.26
  4. Step 4: Simplify right side
    35,785.06x = 981,359,065.67
  5. Step 5: Solve for x
    x = 981,359,065.67/35,785.06
  6. Step 6: Final answer
    x = 27,423.71

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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.