Home / 50,032.47-75,048.69-18,860.43

Finding the Fourth Proportional to 50,032.47, 75,048.69 and 18,860.43

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Solution

The fourth proportional to 50,032.47, 75,048.69 and 18,860.43 is: 28,290.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,032.47 : 75,048.69 = 18,860.43 : x
  2. Step 2: Convert to fraction form
    50,032.47/75,048.69 = 18,860.43/x
  3. Step 3: Cross multiply
    50,032.47x = 75,048.69 × 18,860.43
  4. Step 4: Simplify right side
    50,032.47x = 1,415,450,564.34
  5. Step 5: Solve for x
    x = 1,415,450,564.34/50,032.47
  6. Step 6: Final answer
    x = 28,290.64

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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.