Home / 49,974.40-74,961.60-13,038.40

Finding the Fourth Proportional to 49,974.40, 74,961.60 and 13,038.40

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Solution

The fourth proportional to 49,974.40, 74,961.60 and 13,038.40 is: 19,557.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,974.40 : 74,961.60 = 13,038.40 : x
  2. Step 2: Convert to fraction form
    49,974.40/74,961.60 = 13,038.40/x
  3. Step 3: Cross multiply
    49,974.40x = 74,961.60 × 13,038.40
  4. Step 4: Simplify right side
    49,974.40x = 977,379,325.44
  5. Step 5: Solve for x
    x = 977,379,325.44/49,974.40
  6. Step 6: Final answer
    x = 19,557.60

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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.