Home / 74,234.57-111,339.99-21,631.77

Finding the Fourth Proportional to 74,234.57, 111,339.99 and 21,631.77

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Solution

The fourth proportional to 74,234.57, 111,339.99 and 21,631.77 is: 32,444.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,234.57 : 111,339.99 = 21,631.77 : x
  2. Step 2: Convert to fraction form
    74,234.57/111,339.99 = 21,631.77/x
  3. Step 3: Cross multiply
    74,234.57x = 111,339.99 × 21,631.77
  4. Step 4: Simplify right side
    74,234.57x = 2,408,481,055.48
  5. Step 5: Solve for x
    x = 2,408,481,055.48/74,234.57
  6. Step 6: Final answer
    x = 32,444.20

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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.