Home / 64,675.06-97,021.70-20,305.38

Finding the Fourth Proportional to 64,675.06, 97,021.70 and 20,305.38

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Solution

The fourth proportional to 64,675.06, 97,021.70 and 20,305.38 is: 30,460.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,675.06 : 97,021.70 = 20,305.38 : x
  2. Step 2: Convert to fraction form
    64,675.06/97,021.70 = 20,305.38/x
  3. Step 3: Cross multiply
    64,675.06x = 97,021.70 × 20,305.38
  4. Step 4: Simplify right side
    64,675.06x = 1,970,062,825.20
  5. Step 5: Solve for x
    x = 1,970,062,825.20/64,675.06
  6. Step 6: Final answer
    x = 30,460.94

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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.