Home / 65,747.05-98,643.47-20,775.27

Finding the Fourth Proportional to 65,747.05, 98,643.47 and 20,775.27

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Solution

The fourth proportional to 65,747.05, 98,643.47 and 20,775.27 is: 31,170.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,747.05 : 98,643.47 = 20,775.27 : x
  2. Step 2: Convert to fraction form
    65,747.05/98,643.47 = 20,775.27/x
  3. Step 3: Cross multiply
    65,747.05x = 98,643.47 × 20,775.27
  4. Step 4: Simplify right side
    65,747.05x = 2,049,344,722.99
  5. Step 5: Solve for x
    x = 2,049,344,722.99/65,747.05
  6. Step 6: Final answer
    x = 31,170.14

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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.