Home / 65,905.64-98,845.50-21,533.96

Finding the Fourth Proportional to 65,905.64, 98,845.50 and 21,533.96

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Solution

The fourth proportional to 65,905.64, 98,845.50 and 21,533.96 is: 32,296.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,905.64 : 98,845.50 = 21,533.96 : x
  2. Step 2: Convert to fraction form
    65,905.64/98,845.50 = 21,533.96/x
  3. Step 3: Cross multiply
    65,905.64x = 98,845.50 × 21,533.96
  4. Step 4: Simplify right side
    65,905.64x = 2,128,535,043.18
  5. Step 5: Solve for x
    x = 2,128,535,043.18/65,905.64
  6. Step 6: Final answer
    x = 32,296.71

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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.