Home / 45,140.52-67,674.63-21,436.07

Finding the Fourth Proportional to 45,140.52, 67,674.63 and 21,436.07

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Solution

The fourth proportional to 45,140.52, 67,674.63 and 21,436.07 is: 32,136.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,140.52 : 67,674.63 = 21,436.07 : x
  2. Step 2: Convert to fraction form
    45,140.52/67,674.63 = 21,436.07/x
  3. Step 3: Cross multiply
    45,140.52x = 67,674.63 × 21,436.07
  4. Step 4: Simplify right side
    45,140.52x = 1,450,678,105.90
  5. Step 5: Solve for x
    x = 1,450,678,105.90/45,140.52
  6. Step 6: Final answer
    x = 32,136.94

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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.