Home / 39,723.92-59,495.12-18,962

Finding the Fourth Proportional to 39,723.92, 59,495.12 and 18,962

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Solution

The fourth proportional to 39,723.92, 59,495.12 and 18,962 is: 28,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,723.92 : 59,495.12 = 18,962 : x
  2. Step 2: Convert to fraction form
    39,723.92/59,495.12 = 18,962/x
  3. Step 3: Cross multiply
    39,723.92x = 59,495.12 × 18,962
  4. Step 4: Simplify right side
    39,723.92x = 1,128,146,465.44
  5. Step 5: Solve for x
    x = 1,128,146,465.44/39,723.92
  6. Step 6: Final answer
    x = 28,399.68

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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.