Home / 34,521.92-47,645.70-21,100.94

Finding the Fourth Proportional to 34,521.92, 47,645.70 and 21,100.94

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Solution

The fourth proportional to 34,521.92, 47,645.70 and 21,100.94 is: 29,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,521.92 : 47,645.70 = 21,100.94 : x
  2. Step 2: Convert to fraction form
    34,521.92/47,645.70 = 21,100.94/x
  3. Step 3: Cross multiply
    34,521.92x = 47,645.70 × 21,100.94
  4. Step 4: Simplify right side
    34,521.92x = 1,005,369,056.96
  5. Step 5: Solve for x
    x = 1,005,369,056.96/34,521.92
  6. Step 6: Final answer
    x = 29,122.63

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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.