Home / 39,400.89-54,372.27-21,496.02

Finding the Fourth Proportional to 39,400.89, 54,372.27 and 21,496.02

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Solution

The fourth proportional to 39,400.89, 54,372.27 and 21,496.02 is: 29,663.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,400.89 : 54,372.27 = 21,496.02 : x
  2. Step 2: Convert to fraction form
    39,400.89/54,372.27 = 21,496.02/x
  3. Step 3: Cross multiply
    39,400.89x = 54,372.27 × 21,496.02
  4. Step 4: Simplify right side
    39,400.89x = 1,168,787,403.37
  5. Step 5: Solve for x
    x = 1,168,787,403.37/39,400.89
  6. Step 6: Final answer
    x = 29,663.98

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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.