Home / 39,276.98-54,202.18-21,371.96

Finding the Fourth Proportional to 39,276.98, 54,202.18 and 21,371.96

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Solution

The fourth proportional to 39,276.98, 54,202.18 and 21,371.96 is: 29,493.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,276.98 : 54,202.18 = 21,371.96 : x
  2. Step 2: Convert to fraction form
    39,276.98/54,202.18 = 21,371.96/x
  3. Step 3: Cross multiply
    39,276.98x = 54,202.18 × 21,371.96
  4. Step 4: Simplify right side
    39,276.98x = 1,158,406,822.87
  5. Step 5: Solve for x
    x = 1,158,406,822.87/39,276.98
  6. Step 6: Final answer
    x = 29,493.28

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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.