Home / 30,235.88-41,710.98-19,628.84

Finding the Fourth Proportional to 30,235.88, 41,710.98 and 19,628.84

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Solution

The fourth proportional to 30,235.88, 41,710.98 and 19,628.84 is: 27,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.88 : 41,710.98 = 19,628.84 : x
  2. Step 2: Convert to fraction form
    30,235.88/41,710.98 = 19,628.84/x
  3. Step 3: Cross multiply
    30,235.88x = 41,710.98 × 19,628.84
  4. Step 4: Simplify right side
    30,235.88x = 818,738,152.66
  5. Step 5: Solve for x
    x = 818,738,152.66/30,235.88
  6. Step 6: Final answer
    x = 27,078.36

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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.