Home / 65,954.64-98,944.10-21,583.86

Finding the Fourth Proportional to 65,954.64, 98,944.10 and 21,583.86

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Solution

The fourth proportional to 65,954.64, 98,944.10 and 21,583.86 is: 32,379.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,954.64 : 98,944.10 = 21,583.86 : x
  2. Step 2: Convert to fraction form
    65,954.64/98,944.10 = 21,583.86/x
  3. Step 3: Cross multiply
    65,954.64x = 98,944.10 × 21,583.86
  4. Step 4: Simplify right side
    65,954.64x = 2,135,595,602.23
  5. Step 5: Solve for x
    x = 2,135,595,602.23/65,954.64
  6. Step 6: Final answer
    x = 32,379.76

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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.