Home / 43,824.80-65,737.20-14,243.60

Finding the Fourth Proportional to 43,824.80, 65,737.20 and 14,243.60

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Solution

The fourth proportional to 43,824.80, 65,737.20 and 14,243.60 is: 21,365.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,824.80 : 65,737.20 = 14,243.60 : x
  2. Step 2: Convert to fraction form
    43,824.80/65,737.20 = 14,243.60/x
  3. Step 3: Cross multiply
    43,824.80x = 65,737.20 × 14,243.60
  4. Step 4: Simplify right side
    43,824.80x = 936,334,381.92
  5. Step 5: Solve for x
    x = 936,334,381.92/43,824.80
  6. Step 6: Final answer
    x = 21,365.40

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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.