Home / 39,974.40-59,968.80-16,603.20

Finding the Fourth Proportional to 39,974.40, 59,968.80 and 16,603.20

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Solution

The fourth proportional to 39,974.40, 59,968.80 and 16,603.20 is: 24,907.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,974.40 : 59,968.80 = 16,603.20 : x
  2. Step 2: Convert to fraction form
    39,974.40/59,968.80 = 16,603.20/x
  3. Step 3: Cross multiply
    39,974.40x = 59,968.80 × 16,603.20
  4. Step 4: Simplify right side
    39,974.40x = 995,673,980.16
  5. Step 5: Solve for x
    x = 995,673,980.16/39,974.40
  6. Step 6: Final answer
    x = 24,907.79

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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.