Home / 61,288.51-84,521.97-39,755.83

Finding the Fourth Proportional to 61,288.51, 84,521.97 and 39,755.83

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Solution

The fourth proportional to 61,288.51, 84,521.97 and 39,755.83 is: 54,826.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.51 : 84,521.97 = 39,755.83 : x
  2. Step 2: Convert to fraction form
    61,288.51/84,521.97 = 39,755.83/x
  3. Step 3: Cross multiply
    61,288.51x = 84,521.97 × 39,755.83
  4. Step 4: Simplify right side
    61,288.51x = 3,360,241,070.59
  5. Step 5: Solve for x
    x = 3,360,241,070.59/61,288.51
  6. Step 6: Final answer
    x = 54,826.61

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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.