Home / 49,612.40-74,418.60-12,676.40

Finding the Fourth Proportional to 49,612.40, 74,418.60 and 12,676.40

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Solution

The fourth proportional to 49,612.40, 74,418.60 and 12,676.40 is: 19,014.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,612.40 : 74,418.60 = 12,676.40 : x
  2. Step 2: Convert to fraction form
    49,612.40/74,418.60 = 12,676.40/x
  3. Step 3: Cross multiply
    49,612.40x = 74,418.60 × 12,676.40
  4. Step 4: Simplify right side
    49,612.40x = 943,359,941.04
  5. Step 5: Solve for x
    x = 943,359,941.04/49,612.40
  6. Step 6: Final answer
    x = 19,014.60

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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.