Home / 40,730.23-61,082.38-13,021.75

Finding the Fourth Proportional to 40,730.23, 61,082.38 and 13,021.75

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Solution

The fourth proportional to 40,730.23, 61,082.38 and 13,021.75 is: 19,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,730.23 : 61,082.38 = 13,021.75 : x
  2. Step 2: Convert to fraction form
    40,730.23/61,082.38 = 13,021.75/x
  3. Step 3: Cross multiply
    40,730.23x = 61,082.38 × 13,021.75
  4. Step 4: Simplify right side
    40,730.23x = 795,399,481.77
  5. Step 5: Solve for x
    x = 795,399,481.77/40,730.23
  6. Step 6: Final answer
    x = 19,528.48

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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.