Home / 30,195.72-41,670.54-18,256.95

Finding the Fourth Proportional to 30,195.72, 41,670.54 and 18,256.95

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Solution

The fourth proportional to 30,195.72, 41,670.54 and 18,256.95 is: 25,194.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,195.72 : 41,670.54 = 18,256.95 : x
  2. Step 2: Convert to fraction form
    30,195.72/41,670.54 = 18,256.95/x
  3. Step 3: Cross multiply
    30,195.72x = 41,670.54 × 18,256.95
  4. Step 4: Simplify right side
    30,195.72x = 760,776,965.25
  5. Step 5: Solve for x
    x = 760,776,965.25/30,195.72
  6. Step 6: Final answer
    x = 25,194.86

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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.