Home / 35,178.80-52,772.76-11,478.00

Finding the Fourth Proportional to 35,178.80, 52,772.76 and 11,478.00

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Solution

The fourth proportional to 35,178.80, 52,772.76 and 11,478.00 is: 17,218.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,178.80 : 52,772.76 = 11,478.00 : x
  2. Step 2: Convert to fraction form
    35,178.80/52,772.76 = 11,478.00/x
  3. Step 3: Cross multiply
    35,178.80x = 52,772.76 × 11,478.00
  4. Step 4: Simplify right side
    35,178.80x = 605,725,578.65
  5. Step 5: Solve for x
    x = 605,725,578.65/35,178.80
  6. Step 6: Final answer
    x = 17,218.48

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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.