Home / 30,279.06-41,786.08-18,944.93

Finding the Fourth Proportional to 30,279.06, 41,786.08 and 18,944.93

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Solution

The fourth proportional to 30,279.06, 41,786.08 and 18,944.93 is: 26,144.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,279.06 : 41,786.08 = 18,944.93 : x
  2. Step 2: Convert to fraction form
    30,279.06/41,786.08 = 18,944.93/x
  3. Step 3: Cross multiply
    30,279.06x = 41,786.08 × 18,944.93
  4. Step 4: Simplify right side
    30,279.06x = 791,634,417.68
  5. Step 5: Solve for x
    x = 791,634,417.68/30,279.06
  6. Step 6: Final answer
    x = 26,144.62

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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.