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Finding the Fourth Proportional to 30,094.88, 45,150 and 19,079.84

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Solution

The fourth proportional to 30,094.88, 45,150 and 19,079.84 is: 28,624.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,094.88 : 45,150 = 19,079.84 : x
  2. Step 2: Convert to fraction form
    30,094.88/45,150 = 19,079.84/x
  3. Step 3: Cross multiply
    30,094.88x = 45,150 × 19,079.84
  4. Step 4: Simplify right side
    30,094.88x = 861,454,776
  5. Step 5: Solve for x
    x = 861,454,776/30,094.88
  6. Step 6: Final answer
    x = 28,624.63

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.