Home / 43,087.05-64,630.58-13,504.86

Finding the Fourth Proportional to 43,087.05, 64,630.58 and 13,504.86

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Solution

The fourth proportional to 43,087.05, 64,630.58 and 13,504.86 is: 20,257.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,087.05 : 64,630.58 = 13,504.86 : x
  2. Step 2: Convert to fraction form
    43,087.05/64,630.58 = 13,504.86/x
  3. Step 3: Cross multiply
    43,087.05x = 64,630.58 × 13,504.86
  4. Step 4: Simplify right side
    43,087.05x = 872,826,867.09
  5. Step 5: Solve for x
    x = 872,826,867.09/43,087.05
  6. Step 6: Final answer
    x = 20,257.29

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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.