Home / 27,110.51-40,661.15-7,384.45

Finding the Fourth Proportional to 27,110.51, 40,661.15 and 7,384.45

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Solution

The fourth proportional to 27,110.51, 40,661.15 and 7,384.45 is: 11,075.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    27,110.51 : 40,661.15 = 7,384.45 : x
  2. Step 2: Convert to fraction form
    27,110.51/40,661.15 = 7,384.45/x
  3. Step 3: Cross multiply
    27,110.51x = 40,661.15 × 7,384.45
  4. Step 4: Simplify right side
    27,110.51x = 300,260,210.66
  5. Step 5: Solve for x
    x = 300,260,210.66/27,110.51
  6. Step 6: Final answer
    x = 11,075.42

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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.