Home / 65,433.22-90,295.57-39,982.19

Finding the Fourth Proportional to 65,433.22, 90,295.57 and 39,982.19

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Solution

The fourth proportional to 65,433.22, 90,295.57 and 39,982.19 is: 55,174.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,433.22 : 90,295.57 = 39,982.19 : x
  2. Step 2: Convert to fraction form
    65,433.22/90,295.57 = 39,982.19/x
  3. Step 3: Cross multiply
    65,433.22x = 90,295.57 × 39,982.19
  4. Step 4: Simplify right side
    65,433.22x = 3,610,214,635.90
  5. Step 5: Solve for x
    x = 3,610,214,635.90/65,433.22
  6. Step 6: Final answer
    x = 55,174.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.