Home / 39,975.36-59,940-16,618.56

Finding the Fourth Proportional to 39,975.36, 59,940 and 16,618.56

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Solution

The fourth proportional to 39,975.36, 59,940 and 16,618.56 is: 24,918.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,975.36 : 59,940 = 16,618.56 : x
  2. Step 2: Convert to fraction form
    39,975.36/59,940 = 16,618.56/x
  3. Step 3: Cross multiply
    39,975.36x = 59,940 × 16,618.56
  4. Step 4: Simplify right side
    39,975.36x = 996,116,486.40
  5. Step 5: Solve for x
    x = 996,116,486.40/39,975.36
  6. Step 6: Final answer
    x = 24,918.26

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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.