Home / 65,514.57-98,268.36-21,141.36

Finding the Fourth Proportional to 65,514.57, 98,268.36 and 21,141.36

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Solution

The fourth proportional to 65,514.57, 98,268.36 and 21,141.36 is: 31,710.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,514.57 : 98,268.36 = 21,141.36 : x
  2. Step 2: Convert to fraction form
    65,514.57/98,268.36 = 21,141.36/x
  3. Step 3: Cross multiply
    65,514.57x = 98,268.36 × 21,141.36
  4. Step 4: Simplify right side
    65,514.57x = 2,077,526,775.37
  5. Step 5: Solve for x
    x = 2,077,526,775.37/65,514.57
  6. Step 6: Final answer
    x = 31,710.91

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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.