Home / 30,374.33-45,522.45-14,555.61

Finding the Fourth Proportional to 30,374.33, 45,522.45 and 14,555.61

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Solution

The fourth proportional to 30,374.33, 45,522.45 and 14,555.61 is: 21,814.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.33 : 45,522.45 = 14,555.61 : x
  2. Step 2: Convert to fraction form
    30,374.33/45,522.45 = 14,555.61/x
  3. Step 3: Cross multiply
    30,374.33x = 45,522.45 × 14,555.61
  4. Step 4: Simplify right side
    30,374.33x = 662,607,028.44
  5. Step 5: Solve for x
    x = 662,607,028.44/30,374.33
  6. Step 6: Final answer
    x = 21,814.71

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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.