Home / 43,058-64,584.60-13,472.36

Finding the Fourth Proportional to 43,058, 64,584.60 and 13,472.36

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Solution

The fourth proportional to 43,058, 64,584.60 and 13,472.36 is: 20,207.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,058 : 64,584.60 = 13,472.36 : x
  2. Step 2: Convert to fraction form
    43,058/64,584.60 = 13,472.36/x
  3. Step 3: Cross multiply
    43,058x = 64,584.60 × 13,472.36
  4. Step 4: Simplify right side
    43,058x = 870,106,981.66
  5. Step 5: Solve for x
    x = 870,106,981.66/43,058
  6. Step 6: Final answer
    x = 20,207.79

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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.