Home / 64,710.33-97,065.42-20,340.96

Finding the Fourth Proportional to 64,710.33, 97,065.42 and 20,340.96

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Solution

The fourth proportional to 64,710.33, 97,065.42 and 20,340.96 is: 30,511.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,710.33 : 97,065.42 = 20,340.96 : x
  2. Step 2: Convert to fraction form
    64,710.33/97,065.42 = 20,340.96/x
  3. Step 3: Cross multiply
    64,710.33x = 97,065.42 × 20,340.96
  4. Step 4: Simplify right side
    64,710.33x = 1,974,403,825.60
  5. Step 5: Solve for x
    x = 1,974,403,825.60/64,710.33
  6. Step 6: Final answer
    x = 30,511.42

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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.