Home / 65,015.22-97,521.92-20,641.29

Finding the Fourth Proportional to 65,015.22, 97,521.92 and 20,641.29

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Solution

The fourth proportional to 65,015.22, 97,521.92 and 20,641.29 is: 30,961.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,015.22 : 97,521.92 = 20,641.29 : x
  2. Step 2: Convert to fraction form
    65,015.22/97,521.92 = 20,641.29/x
  3. Step 3: Cross multiply
    65,015.22x = 97,521.92 × 20,641.29
  4. Step 4: Simplify right side
    65,015.22x = 2,012,978,128.87
  5. Step 5: Solve for x
    x = 2,012,978,128.87/65,015.22
  6. Step 6: Final answer
    x = 30,961.64

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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.