Home / 65,177.76-97,754.16-18,419.36

Finding the Fourth Proportional to 65,177.76, 97,754.16 and 18,419.36

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Solution

The fourth proportional to 65,177.76, 97,754.16 and 18,419.36 is: 27,625.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,177.76 : 97,754.16 = 18,419.36 : x
  2. Step 2: Convert to fraction form
    65,177.76/97,754.16 = 18,419.36/x
  3. Step 3: Cross multiply
    65,177.76x = 97,754.16 × 18,419.36
  4. Step 4: Simplify right side
    65,177.76x = 1,800,569,064.54
  5. Step 5: Solve for x
    x = 1,800,569,064.54/65,177.76
  6. Step 6: Final answer
    x = 27,625.51

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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.