Home / 30,374.91-41,890.12-19,045.64

Finding the Fourth Proportional to 30,374.91, 41,890.12 and 19,045.64

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Solution

The fourth proportional to 30,374.91, 41,890.12 and 19,045.64 is: 26,265.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,374.91 : 41,890.12 = 19,045.64 : x
  2. Step 2: Convert to fraction form
    30,374.91/41,890.12 = 19,045.64/x
  3. Step 3: Cross multiply
    30,374.91x = 41,890.12 × 19,045.64
  4. Step 4: Simplify right side
    30,374.91x = 797,824,145.08
  5. Step 5: Solve for x
    x = 797,824,145.08/30,374.91
  6. Step 6: Final answer
    x = 26,265.89

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.