Home / 30,277.89-41,759.82-19,670.94

Finding the Fourth Proportional to 30,277.89, 41,759.82 and 19,670.94

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Solution

The fourth proportional to 30,277.89, 41,759.82 and 19,670.94 is: 27,130.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,277.89 : 41,759.82 = 19,670.94 : x
  2. Step 2: Convert to fraction form
    30,277.89/41,759.82 = 19,670.94/x
  3. Step 3: Cross multiply
    30,277.89x = 41,759.82 × 19,670.94
  4. Step 4: Simplify right side
    30,277.89x = 821,454,913.63
  5. Step 5: Solve for x
    x = 821,454,913.63/30,277.89
  6. Step 6: Final answer
    x = 27,130.52

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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.