Home / 61,288.50-84,521.97-39,755.82

Finding the Fourth Proportional to 61,288.50, 84,521.97 and 39,755.82

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Solution

The fourth proportional to 61,288.50, 84,521.97 and 39,755.82 is: 54,826.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,288.50 : 84,521.97 = 39,755.82 : x
  2. Step 2: Convert to fraction form
    61,288.50/84,521.97 = 39,755.82/x
  3. Step 3: Cross multiply
    61,288.50x = 84,521.97 × 39,755.82
  4. Step 4: Simplify right side
    61,288.50x = 3,360,240,225.37
  5. Step 5: Solve for x
    x = 3,360,240,225.37/61,288.50
  6. Step 6: Final answer
    x = 54,826.60

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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.