Home / 49,679.20-74,520.60-14,622.40

Finding the Fourth Proportional to 49,679.20, 74,520.60 and 14,622.40

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Solution

The fourth proportional to 49,679.20, 74,520.60 and 14,622.40 is: 21,934.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,679.20 : 74,520.60 = 14,622.40 : x
  2. Step 2: Convert to fraction form
    49,679.20/74,520.60 = 14,622.40/x
  3. Step 3: Cross multiply
    49,679.20x = 74,520.60 × 14,622.40
  4. Step 4: Simplify right side
    49,679.20x = 1,089,670,021.44
  5. Step 5: Solve for x
    x = 1,089,670,021.44/49,679.20
  6. Step 6: Final answer
    x = 21,934.13

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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.