Home / 19,961.51-29,942.08-4,968.65

Finding the Fourth Proportional to 19,961.51, 29,942.08 and 4,968.65

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Solution

The fourth proportional to 19,961.51, 29,942.08 and 4,968.65 is: 7,452.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,961.51 : 29,942.08 = 4,968.65 : x
  2. Step 2: Convert to fraction form
    19,961.51/29,942.08 = 4,968.65/x
  3. Step 3: Cross multiply
    19,961.51x = 29,942.08 × 4,968.65
  4. Step 4: Simplify right side
    19,961.51x = 148,771,715.79
  5. Step 5: Solve for x
    x = 148,771,715.79/19,961.51
  6. Step 6: Final answer
    x = 7,452.93

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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.