Home / 39,801.21-59,664.45-13,487.37

Finding the Fourth Proportional to 39,801.21, 59,664.45 and 13,487.37

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Solution

The fourth proportional to 39,801.21, 59,664.45 and 13,487.37 is: 20,218.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,801.21 : 59,664.45 = 13,487.37 : x
  2. Step 2: Convert to fraction form
    39,801.21/59,664.45 = 13,487.37/x
  3. Step 3: Cross multiply
    39,801.21x = 59,664.45 × 13,487.37
  4. Step 4: Simplify right side
    39,801.21x = 804,716,513.00
  5. Step 5: Solve for x
    x = 804,716,513.00/39,801.21
  6. Step 6: Final answer
    x = 20,218.39

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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.