Home / 39,716.57-59,557.37-18,662.60

Finding the Fourth Proportional to 39,716.57, 59,557.37 and 18,662.60

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Solution

The fourth proportional to 39,716.57, 59,557.37 and 18,662.60 is: 27,985.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,716.57 : 59,557.37 = 18,662.60 : x
  2. Step 2: Convert to fraction form
    39,716.57/59,557.37 = 18,662.60/x
  3. Step 3: Cross multiply
    39,716.57x = 59,557.37 × 18,662.60
  4. Step 4: Simplify right side
    39,716.57x = 1,111,494,982.26
  5. Step 5: Solve for x
    x = 1,111,494,982.26/39,716.57
  6. Step 6: Final answer
    x = 27,985.68

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1.5x scale

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.