Home / 49,784.40-74,676.60-12,848.40

Finding the Fourth Proportional to 49,784.40, 74,676.60 and 12,848.40

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Solution

The fourth proportional to 49,784.40, 74,676.60 and 12,848.40 is: 19,272.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.40 : 74,676.60 = 12,848.40 : x
  2. Step 2: Convert to fraction form
    49,784.40/74,676.60 = 12,848.40/x
  3. Step 3: Cross multiply
    49,784.40x = 74,676.60 × 12,848.40
  4. Step 4: Simplify right side
    49,784.40x = 959,474,827.44
  5. Step 5: Solve for x
    x = 959,474,827.44/49,784.40
  6. Step 6: Final answer
    x = 19,272.60

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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.