Home / 39,114-53,977.27-21,208.98

Finding the Fourth Proportional to 39,114, 53,977.27 and 21,208.98

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Solution

The fourth proportional to 39,114, 53,977.27 and 21,208.98 is: 29,268.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,114 : 53,977.27 = 21,208.98 : x
  2. Step 2: Convert to fraction form
    39,114/53,977.27 = 21,208.98/x
  3. Step 3: Cross multiply
    39,114x = 53,977.27 × 21,208.98
  4. Step 4: Simplify right side
    39,114x = 1,144,802,839.88
  5. Step 5: Solve for x
    x = 1,144,802,839.88/39,114
  6. Step 6: Final answer
    x = 29,268.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.