Home / 53,029.49-79,540.09-30,828.70

Finding the Fourth Proportional to 53,029.49, 79,540.09 and 30,828.70

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Solution

The fourth proportional to 53,029.49, 79,540.09 and 30,828.70 is: 46,240.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.49 : 79,540.09 = 30,828.70 : x
  2. Step 2: Convert to fraction form
    53,029.49/79,540.09 = 30,828.70/x
  3. Step 3: Cross multiply
    53,029.49x = 79,540.09 × 30,828.70
  4. Step 4: Simplify right side
    53,029.49x = 2,452,117,296.66
  5. Step 5: Solve for x
    x = 2,452,117,296.66/53,029.49
  6. Step 6: Final answer
    x = 46,240.63

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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.