Home / 39,751.36-59,639.52-16,388.80

Finding the Fourth Proportional to 39,751.36, 59,639.52 and 16,388.80

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Solution

The fourth proportional to 39,751.36, 59,639.52 and 16,388.80 is: 24,588.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,751.36 : 59,639.52 = 16,388.80 : x
  2. Step 2: Convert to fraction form
    39,751.36/59,639.52 = 16,388.80/x
  3. Step 3: Cross multiply
    39,751.36x = 59,639.52 × 16,388.80
  4. Step 4: Simplify right side
    39,751.36x = 977,420,165.38
  5. Step 5: Solve for x
    x = 977,420,165.38/39,751.36
  6. Step 6: Final answer
    x = 24,588.35

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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.