Home / 43,488.55-65,233.43-12,323.80

Finding the Fourth Proportional to 43,488.55, 65,233.43 and 12,323.80

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Solution

The fourth proportional to 43,488.55, 65,233.43 and 12,323.80 is: 18,485.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,488.55 : 65,233.43 = 12,323.80 : x
  2. Step 2: Convert to fraction form
    43,488.55/65,233.43 = 12,323.80/x
  3. Step 3: Cross multiply
    43,488.55x = 65,233.43 × 12,323.80
  4. Step 4: Simplify right side
    43,488.55x = 803,923,880.09
  5. Step 5: Solve for x
    x = 803,923,880.09/43,488.55
  6. Step 6: Final answer
    x = 18,485.87

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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.