Home / 44,043.10-66,074.40-12,880.78

Finding the Fourth Proportional to 44,043.10, 66,074.40 and 12,880.78

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Solution

The fourth proportional to 44,043.10, 66,074.40 and 12,880.78 is: 19,324.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,043.10 : 66,074.40 = 12,880.78 : x
  2. Step 2: Convert to fraction form
    44,043.10/66,074.40 = 12,880.78/x
  3. Step 3: Cross multiply
    44,043.10x = 66,074.40 × 12,880.78
  4. Step 4: Simplify right side
    44,043.10x = 851,089,810.03
  5. Step 5: Solve for x
    x = 851,089,810.03/44,043.10
  6. Step 6: Final answer
    x = 19,324.02

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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.