Home / 45,684.09-68,475.24-19,015.38

Finding the Fourth Proportional to 45,684.09, 68,475.24 and 19,015.38

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Solution

The fourth proportional to 45,684.09, 68,475.24 and 19,015.38 is: 28,501.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,684.09 : 68,475.24 = 19,015.38 : x
  2. Step 2: Convert to fraction form
    45,684.09/68,475.24 = 19,015.38/x
  3. Step 3: Cross multiply
    45,684.09x = 68,475.24 × 19,015.38
  4. Step 4: Simplify right side
    45,684.09x = 1,302,082,709.19
  5. Step 5: Solve for x
    x = 1,302,082,709.19/45,684.09
  6. Step 6: Final answer
    x = 28,501.89

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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.