Home / 65,099.24-89,843.64-39,607.44

Finding the Fourth Proportional to 65,099.24, 89,843.64 and 39,607.44

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Solution

The fourth proportional to 65,099.24, 89,843.64 and 39,607.44 is: 54,662.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,099.24 : 89,843.64 = 39,607.44 : x
  2. Step 2: Convert to fraction form
    65,099.24/89,843.64 = 39,607.44/x
  3. Step 3: Cross multiply
    65,099.24x = 89,843.64 × 39,607.44
  4. Step 4: Simplify right side
    65,099.24x = 3,558,476,580.68
  5. Step 5: Solve for x
    x = 3,558,476,580.68/65,099.24
  6. Step 6: Final answer
    x = 54,662.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.