Home / 64,710.22-97,015.92-20,311.29

Finding the Fourth Proportional to 64,710.22, 97,015.92 and 20,311.29

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Solution

The fourth proportional to 64,710.22, 97,015.92 and 20,311.29 is: 30,451.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.22 : 97,015.92 = 20,311.29 : x
  2. Step 2: Convert to fraction form
    64,710.22/97,015.92 = 20,311.29/x
  3. Step 3: Cross multiply
    64,710.22x = 97,015.92 × 20,311.29
  4. Step 4: Simplify right side
    64,710.22x = 1,970,518,485.74
  5. Step 5: Solve for x
    x = 1,970,518,485.74/64,710.22
  6. Step 6: Final answer
    x = 30,451.43

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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.