Home / 30,291.48-41,795.82-19,107

Finding the Fourth Proportional to 30,291.48, 41,795.82 and 19,107

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Solution

The fourth proportional to 30,291.48, 41,795.82 and 19,107 is: 26,363.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,291.48 : 41,795.82 = 19,107 : x
  2. Step 2: Convert to fraction form
    30,291.48/41,795.82 = 19,107/x
  3. Step 3: Cross multiply
    30,291.48x = 41,795.82 × 19,107
  4. Step 4: Simplify right side
    30,291.48x = 798,592,732.74
  5. Step 5: Solve for x
    x = 798,592,732.74/30,291.48
  6. Step 6: Final answer
    x = 26,363.61

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1.5x scale

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.