Home / 30,060.36-45,092.52-7,874.28

Finding the Fourth Proportional to 30,060.36, 45,092.52 and 7,874.28

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Solution

The fourth proportional to 30,060.36, 45,092.52 and 7,874.28 is: 11,811.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,060.36 : 45,092.52 = 7,874.28 : x
  2. Step 2: Convert to fraction form
    30,060.36/45,092.52 = 7,874.28/x
  3. Step 3: Cross multiply
    30,060.36x = 45,092.52 × 7,874.28
  4. Step 4: Simplify right side
    30,060.36x = 355,071,128.39
  5. Step 5: Solve for x
    x = 355,071,128.39/30,060.36
  6. Step 6: Final answer
    x = 11,811.94

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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.