Home / 36,419.60-54,629.40-18,923.60

Finding the Fourth Proportional to 36,419.60, 54,629.40 and 18,923.60

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Solution

The fourth proportional to 36,419.60, 54,629.40 and 18,923.60 is: 28,385.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,419.60 : 54,629.40 = 18,923.60 : x
  2. Step 2: Convert to fraction form
    36,419.60/54,629.40 = 18,923.60/x
  3. Step 3: Cross multiply
    36,419.60x = 54,629.40 × 18,923.60
  4. Step 4: Simplify right side
    36,419.60x = 1,033,784,913.84
  5. Step 5: Solve for x
    x = 1,033,784,913.84/36,419.60
  6. Step 6: Final answer
    x = 28,385.40

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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.