Home / 53,099.60-79,635.36-18,032

Finding the Fourth Proportional to 53,099.60, 79,635.36 and 18,032

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Solution

The fourth proportional to 53,099.60, 79,635.36 and 18,032 is: 27,043.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,099.60 : 79,635.36 = 18,032 : x
  2. Step 2: Convert to fraction form
    53,099.60/79,635.36 = 18,032/x
  3. Step 3: Cross multiply
    53,099.60x = 79,635.36 × 18,032
  4. Step 4: Simplify right side
    53,099.60x = 1,435,984,811.52
  5. Step 5: Solve for x
    x = 1,435,984,811.52/53,099.60
  6. Step 6: Final answer
    x = 27,043.23

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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.