Home / 40,712.82-61,069.36-14,418.33

Finding the Fourth Proportional to 40,712.82, 61,069.36 and 14,418.33

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Solution

The fourth proportional to 40,712.82, 61,069.36 and 14,418.33 is: 21,627.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,712.82 : 61,069.36 = 14,418.33 : x
  2. Step 2: Convert to fraction form
    40,712.82/61,069.36 = 14,418.33/x
  3. Step 3: Cross multiply
    40,712.82x = 61,069.36 × 14,418.33
  4. Step 4: Simplify right side
    40,712.82x = 880,518,185.37
  5. Step 5: Solve for x
    x = 880,518,185.37/40,712.82
  6. Step 6: Final answer
    x = 21,627.54

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1.5x scale

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.