Home / 49,323.98-74,038.62-21,257.88

Finding the Fourth Proportional to 49,323.98, 74,038.62 and 21,257.88

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Solution

The fourth proportional to 49,323.98, 74,038.62 and 21,257.88 is: 31,909.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,323.98 : 74,038.62 = 21,257.88 : x
  2. Step 2: Convert to fraction form
    49,323.98/74,038.62 = 21,257.88/x
  3. Step 3: Cross multiply
    49,323.98x = 74,038.62 × 21,257.88
  4. Step 4: Simplify right side
    49,323.98x = 1,573,904,099.33
  5. Step 5: Solve for x
    x = 1,573,904,099.33/49,323.98
  6. Step 6: Final answer
    x = 31,909.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.