Home / 39,893.96-59,858.22-21,404.36

Finding the Fourth Proportional to 39,893.96, 59,858.22 and 21,404.36

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Solution

The fourth proportional to 39,893.96, 59,858.22 and 21,404.36 is: 32,115.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,893.96 : 59,858.22 = 21,404.36 : x
  2. Step 2: Convert to fraction form
    39,893.96/59,858.22 = 21,404.36/x
  3. Step 3: Cross multiply
    39,893.96x = 59,858.22 × 21,404.36
  4. Step 4: Simplify right side
    39,893.96x = 1,281,226,889.84
  5. Step 5: Solve for x
    x = 1,281,226,889.84/39,893.96
  6. Step 6: Final answer
    x = 32,115.81

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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.