Home / 30,108.06-45,171.22-11,393.84

Finding the Fourth Proportional to 30,108.06, 45,171.22 and 11,393.84

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Solution

The fourth proportional to 30,108.06, 45,171.22 and 11,393.84 is: 17,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,108.06 : 45,171.22 = 11,393.84 : x
  2. Step 2: Convert to fraction form
    30,108.06/45,171.22 = 11,393.84/x
  3. Step 3: Cross multiply
    30,108.06x = 45,171.22 × 11,393.84
  4. Step 4: Simplify right side
    30,108.06x = 514,673,653.28
  5. Step 5: Solve for x
    x = 514,673,653.28/30,108.06
  6. Step 6: Final answer
    x = 17,094.22

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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.