Home / 43,445.44-65,166.78-13,865.08

Finding the Fourth Proportional to 43,445.44, 65,166.78 and 13,865.08

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Solution

The fourth proportional to 43,445.44, 65,166.78 and 13,865.08 is: 20,797.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,445.44 : 65,166.78 = 13,865.08 : x
  2. Step 2: Convert to fraction form
    43,445.44/65,166.78 = 13,865.08/x
  3. Step 3: Cross multiply
    43,445.44x = 65,166.78 × 13,865.08
  4. Step 4: Simplify right side
    43,445.44x = 903,542,618.04
  5. Step 5: Solve for x
    x = 903,542,618.04/43,445.44
  6. Step 6: Final answer
    x = 20,797.18

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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.