Home / 65,359.35-98,029.77-20,980.26

Finding the Fourth Proportional to 65,359.35, 98,029.77 and 20,980.26

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Solution

The fourth proportional to 65,359.35, 98,029.77 and 20,980.26 is: 31,467.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,359.35 : 98,029.77 = 20,980.26 : x
  2. Step 2: Convert to fraction form
    65,359.35/98,029.77 = 20,980.26/x
  3. Step 3: Cross multiply
    65,359.35x = 98,029.77 × 20,980.26
  4. Step 4: Simplify right side
    65,359.35x = 2,056,690,062.34
  5. Step 5: Solve for x
    x = 2,056,690,062.34/65,359.35
  6. Step 6: Final answer
    x = 31,467.42

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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.