Home / 53,029.11-79,539.51-30,828.33

Finding the Fourth Proportional to 53,029.11, 79,539.51 and 30,828.33

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Solution

The fourth proportional to 53,029.11, 79,539.51 and 30,828.33 is: 46,240.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,029.11 : 79,539.51 = 30,828.33 : x
  2. Step 2: Convert to fraction form
    53,029.11/79,539.51 = 30,828.33/x
  3. Step 3: Cross multiply
    53,029.11x = 79,539.51 × 30,828.33
  4. Step 4: Simplify right side
    53,029.11x = 2,452,070,262.32
  5. Step 5: Solve for x
    x = 2,452,070,262.32/53,029.11
  6. Step 6: Final answer
    x = 46,240.08

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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.