Home / 30,327.55-41,858.85-19,698.73

Finding the Fourth Proportional to 30,327.55, 41,858.85 and 19,698.73

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Solution

The fourth proportional to 30,327.55, 41,858.85 and 19,698.73 is: 27,188.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,327.55 : 41,858.85 = 19,698.73 : x
  2. Step 2: Convert to fraction form
    30,327.55/41,858.85 = 19,698.73/x
  3. Step 3: Cross multiply
    30,327.55x = 41,858.85 × 19,698.73
  4. Step 4: Simplify right side
    30,327.55x = 824,566,184.26
  5. Step 5: Solve for x
    x = 824,566,184.26/30,327.55
  6. Step 6: Final answer
    x = 27,188.68

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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.