Home / 49,832.59-74,779.41-19,861.21

Finding the Fourth Proportional to 49,832.59, 74,779.41 and 19,861.21

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Solution

The fourth proportional to 49,832.59, 74,779.41 and 19,861.21 is: 29,803.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,832.59 : 74,779.41 = 19,861.21 : x
  2. Step 2: Convert to fraction form
    49,832.59/74,779.41 = 19,861.21/x
  3. Step 3: Cross multiply
    49,832.59x = 74,779.41 × 19,861.21
  4. Step 4: Simplify right side
    49,832.59x = 1,485,209,201.29
  5. Step 5: Solve for x
    x = 1,485,209,201.29/49,832.59
  6. Step 6: Final answer
    x = 29,803.97

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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.