Home / 43,580.34-65,348.64-20,223.18

Finding the Fourth Proportional to 43,580.34, 65,348.64 and 20,223.18

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Solution

The fourth proportional to 43,580.34, 65,348.64 and 20,223.18 is: 30,324.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,580.34 : 65,348.64 = 20,223.18 : x
  2. Step 2: Convert to fraction form
    43,580.34/65,348.64 = 20,223.18/x
  3. Step 3: Cross multiply
    43,580.34x = 65,348.64 × 20,223.18
  4. Step 4: Simplify right side
    43,580.34x = 1,321,557,309.48
  5. Step 5: Solve for x
    x = 1,321,557,309.48/43,580.34
  6. Step 6: Final answer
    x = 30,324.62

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1.5x scale

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.