Home / 49,637.58-74,456.31-20,055.40

Finding the Fourth Proportional to 49,637.58, 74,456.31 and 20,055.40

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Solution

The fourth proportional to 49,637.58, 74,456.31 and 20,055.40 is: 30,083.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,637.58 : 74,456.31 = 20,055.40 : x
  2. Step 2: Convert to fraction form
    49,637.58/74,456.31 = 20,055.40/x
  3. Step 3: Cross multiply
    49,637.58x = 74,456.31 × 20,055.40
  4. Step 4: Simplify right side
    49,637.58x = 1,493,250,968.64
  5. Step 5: Solve for x
    x = 1,493,250,968.64/49,637.58
  6. Step 6: Final answer
    x = 30,083.08

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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.