Home / 42,664.19-63,997.20-13,081.37

Finding the Fourth Proportional to 42,664.19, 63,997.20 and 13,081.37

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Solution

The fourth proportional to 42,664.19, 63,997.20 and 13,081.37 is: 19,622.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,664.19 : 63,997.20 = 13,081.37 : x
  2. Step 2: Convert to fraction form
    42,664.19/63,997.20 = 13,081.37/x
  3. Step 3: Cross multiply
    42,664.19x = 63,997.20 × 13,081.37
  4. Step 4: Simplify right side
    42,664.19x = 837,170,732.18
  5. Step 5: Solve for x
    x = 837,170,732.18/42,664.19
  6. Step 6: Final answer
    x = 19,622.33

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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.