Home / 37,128.80-55,547.40-33,629.60

Finding the Fourth Proportional to 37,128.80, 55,547.40 and 33,629.60

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Solution

The fourth proportional to 37,128.80, 55,547.40 and 33,629.60 is: 50,312.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,128.80 : 55,547.40 = 33,629.60 : x
  2. Step 2: Convert to fraction form
    37,128.80/55,547.40 = 33,629.60/x
  3. Step 3: Cross multiply
    37,128.80x = 55,547.40 × 33,629.60
  4. Step 4: Simplify right side
    37,128.80x = 1,868,036,843.04
  5. Step 5: Solve for x
    x = 1,868,036,843.04/37,128.80
  6. Step 6: Final answer
    x = 50,312.34

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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.