Home / 45,670.98-68,409.14-21,943.65

Finding the Fourth Proportional to 45,670.98, 68,409.14 and 21,943.65

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Solution

The fourth proportional to 45,670.98, 68,409.14 and 21,943.65 is: 32,868.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,670.98 : 68,409.14 = 21,943.65 : x
  2. Step 2: Convert to fraction form
    45,670.98/68,409.14 = 21,943.65/x
  3. Step 3: Cross multiply
    45,670.98x = 68,409.14 × 21,943.65
  4. Step 4: Simplify right side
    45,670.98x = 1,501,146,115.24
  5. Step 5: Solve for x
    x = 1,501,146,115.24/45,670.98
  6. Step 6: Final answer
    x = 32,868.71

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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.