Home / 49,832.78-74,779.69-19,861.40

Finding the Fourth Proportional to 49,832.78, 74,779.69 and 19,861.40

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Solution

The fourth proportional to 49,832.78, 74,779.69 and 19,861.40 is: 29,804.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.78 : 74,779.69 = 19,861.40 : x
  2. Step 2: Convert to fraction form
    49,832.78/74,779.69 = 19,861.40/x
  3. Step 3: Cross multiply
    49,832.78x = 74,779.69 × 19,861.40
  4. Step 4: Simplify right side
    49,832.78x = 1,485,228,911.41
  5. Step 5: Solve for x
    x = 1,485,228,911.41/49,832.78
  6. Step 6: Final answer
    x = 29,804.25

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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.