Home / 45,991.23-68,929.16-19,665.07

Finding the Fourth Proportional to 45,991.23, 68,929.16 and 19,665.07

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Solution

The fourth proportional to 45,991.23, 68,929.16 and 19,665.07 is: 29,472.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,991.23 : 68,929.16 = 19,665.07 : x
  2. Step 2: Convert to fraction form
    45,991.23/68,929.16 = 19,665.07/x
  3. Step 3: Cross multiply
    45,991.23x = 68,929.16 × 19,665.07
  4. Step 4: Simplify right side
    45,991.23x = 1,355,496,756.44
  5. Step 5: Solve for x
    x = 1,355,496,756.44/45,991.23
  6. Step 6: Final answer
    x = 29,472.94

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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.