Home / 65,005.14-97,511.19-20,635.38

Finding the Fourth Proportional to 65,005.14, 97,511.19 and 20,635.38

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Solution

The fourth proportional to 65,005.14, 97,511.19 and 20,635.38 is: 30,954.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,005.14 : 97,511.19 = 20,635.38 : x
  2. Step 2: Convert to fraction form
    65,005.14/97,511.19 = 20,635.38/x
  3. Step 3: Cross multiply
    65,005.14x = 97,511.19 × 20,635.38
  4. Step 4: Simplify right side
    65,005.14x = 2,012,180,459.90
  5. Step 5: Solve for x
    x = 2,012,180,459.90/65,005.14
  6. Step 6: Final answer
    x = 30,954.17

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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.