Home / 65,355.22-98,027.34-20,969.92

Finding the Fourth Proportional to 65,355.22, 98,027.34 and 20,969.92

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Solution

The fourth proportional to 65,355.22, 98,027.34 and 20,969.92 is: 31,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,355.22 : 98,027.34 = 20,969.92 : x
  2. Step 2: Convert to fraction form
    65,355.22/98,027.34 = 20,969.92/x
  3. Step 3: Cross multiply
    65,355.22x = 98,027.34 × 20,969.92
  4. Step 4: Simplify right side
    65,355.22x = 2,055,625,477.61
  5. Step 5: Solve for x
    x = 2,055,625,477.61/65,355.22
  6. Step 6: Final answer
    x = 31,453.12

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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.