Home / 53,158.23-79,709.67-19,850.91

Finding the Fourth Proportional to 53,158.23, 79,709.67 and 19,850.91

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Solution

The fourth proportional to 53,158.23, 79,709.67 and 19,850.91 is: 29,766.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,158.23 : 79,709.67 = 19,850.91 : x
  2. Step 2: Convert to fraction form
    53,158.23/79,709.67 = 19,850.91/x
  3. Step 3: Cross multiply
    53,158.23x = 79,709.67 × 19,850.91
  4. Step 4: Simplify right side
    53,158.23x = 1,582,309,485.30
  5. Step 5: Solve for x
    x = 1,582,309,485.30/53,158.23
  6. Step 6: Final answer
    x = 29,766.03

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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.