Home / 65,013.22-97,518.92-20,639.29

Finding the Fourth Proportional to 65,013.22, 97,518.92 and 20,639.29

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Solution

The fourth proportional to 65,013.22, 97,518.92 and 20,639.29 is: 30,958.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,013.22 : 97,518.92 = 20,639.29 : x
  2. Step 2: Convert to fraction form
    65,013.22/97,518.92 = 20,639.29/x
  3. Step 3: Cross multiply
    65,013.22x = 97,518.92 × 20,639.29
  4. Step 4: Simplify right side
    65,013.22x = 2,012,721,270.37
  5. Step 5: Solve for x
    x = 2,012,721,270.37/65,013.22
  6. Step 6: Final answer
    x = 30,958.65

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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.