Home / 35,279.88-52,858.62-21,399.72

Finding the Fourth Proportional to 35,279.88, 52,858.62 and 21,399.72

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Solution

The fourth proportional to 35,279.88, 52,858.62 and 21,399.72 is: 32,062.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,279.88 : 52,858.62 = 21,399.72 : x
  2. Step 2: Convert to fraction form
    35,279.88/52,858.62 = 21,399.72/x
  3. Step 3: Cross multiply
    35,279.88x = 52,858.62 × 21,399.72
  4. Step 4: Simplify right side
    35,279.88x = 1,131,159,667.59
  5. Step 5: Solve for x
    x = 1,131,159,667.59/35,279.88
  6. Step 6: Final answer
    x = 32,062.46

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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.