Home / 43,730.80-65,596.20-27,109.60

Finding the Fourth Proportional to 43,730.80, 65,596.20 and 27,109.60

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Solution

The fourth proportional to 43,730.80, 65,596.20 and 27,109.60 is: 40,664.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,730.80 : 65,596.20 = 27,109.60 : x
  2. Step 2: Convert to fraction form
    43,730.80/65,596.20 = 27,109.60/x
  3. Step 3: Cross multiply
    43,730.80x = 65,596.20 × 27,109.60
  4. Step 4: Simplify right side
    43,730.80x = 1,778,286,743.52
  5. Step 5: Solve for x
    x = 1,778,286,743.52/43,730.80
  6. Step 6: Final answer
    x = 40,664.40

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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.