Home / 65,826.64-98,739.88-21,453.32

Finding the Fourth Proportional to 65,826.64, 98,739.88 and 21,453.32

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Solution

The fourth proportional to 65,826.64, 98,739.88 and 21,453.32 is: 32,179.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,826.64 : 98,739.88 = 21,453.32 : x
  2. Step 2: Convert to fraction form
    65,826.64/98,739.88 = 21,453.32/x
  3. Step 3: Cross multiply
    65,826.64x = 98,739.88 × 21,453.32
  4. Step 4: Simplify right side
    65,826.64x = 2,118,298,242.40
  5. Step 5: Solve for x
    x = 2,118,298,242.40/65,826.64
  6. Step 6: Final answer
    x = 32,179.95

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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.