Home / 35,865.70-49,474.44-21,521.72

Finding the Fourth Proportional to 35,865.70, 49,474.44 and 21,521.72

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Solution

The fourth proportional to 35,865.70, 49,474.44 and 21,521.72 is: 29,687.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,865.70 : 49,474.44 = 21,521.72 : x
  2. Step 2: Convert to fraction form
    35,865.70/49,474.44 = 21,521.72/x
  3. Step 3: Cross multiply
    35,865.70x = 49,474.44 × 21,521.72
  4. Step 4: Simplify right side
    35,865.70x = 1,064,775,044.84
  5. Step 5: Solve for x
    x = 1,064,775,044.84/35,865.70
  6. Step 6: Final answer
    x = 29,687.84

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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.