Home / 30,054.56-41,476.80-18,121.74

Finding the Fourth Proportional to 30,054.56, 41,476.80 and 18,121.74

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Solution

The fourth proportional to 30,054.56, 41,476.80 and 18,121.74 is: 25,008.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,054.56 : 41,476.80 = 18,121.74 : x
  2. Step 2: Convert to fraction form
    30,054.56/41,476.80 = 18,121.74/x
  3. Step 3: Cross multiply
    30,054.56x = 41,476.80 × 18,121.74
  4. Step 4: Simplify right side
    30,054.56x = 751,631,785.63
  5. Step 5: Solve for x
    x = 751,631,785.63/30,054.56
  6. Step 6: Final answer
    x = 25,008.91

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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.