Home / 65,219.36-97,805.96-31,021.11

Finding the Fourth Proportional to 65,219.36, 97,805.96 and 31,021.11

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Solution

The fourth proportional to 65,219.36, 97,805.96 and 31,021.11 is: 46,520.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,219.36 : 97,805.96 = 31,021.11 : x
  2. Step 2: Convert to fraction form
    65,219.36/97,805.96 = 31,021.11/x
  3. Step 3: Cross multiply
    65,219.36x = 97,805.96 × 31,021.11
  4. Step 4: Simplify right side
    65,219.36x = 3,034,049,443.82
  5. Step 5: Solve for x
    x = 3,034,049,443.82/65,219.36
  6. Step 6: Final answer
    x = 46,520.69

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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.