Home / 30,046.16-45,029.78-22,111.52

Finding the Fourth Proportional to 30,046.16, 45,029.78 and 22,111.52

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Solution

The fourth proportional to 30,046.16, 45,029.78 and 22,111.52 is: 33,138.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,046.16 : 45,029.78 = 22,111.52 : x
  2. Step 2: Convert to fraction form
    30,046.16/45,029.78 = 22,111.52/x
  3. Step 3: Cross multiply
    30,046.16x = 45,029.78 × 22,111.52
  4. Step 4: Simplify right side
    30,046.16x = 995,676,881.07
  5. Step 5: Solve for x
    x = 995,676,881.07/30,046.16
  6. Step 6: Final answer
    x = 33,138.24

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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.