Home / 64,029.06-96,021.05-21,322.90

Finding the Fourth Proportional to 64,029.06, 96,021.05 and 21,322.90

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Solution

The fourth proportional to 64,029.06, 96,021.05 and 21,322.90 is: 31,976.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,029.06 : 96,021.05 = 21,322.90 : x
  2. Step 2: Convert to fraction form
    64,029.06/96,021.05 = 21,322.90/x
  3. Step 3: Cross multiply
    64,029.06x = 96,021.05 × 21,322.90
  4. Step 4: Simplify right side
    64,029.06x = 2,047,446,720.34
  5. Step 5: Solve for x
    x = 2,047,446,720.34/64,029.06
  6. Step 6: Final answer
    x = 31,976.84

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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.