Home / 42,567.72-63,804.19-20,333.22

Finding the Fourth Proportional to 42,567.72, 63,804.19 and 20,333.22

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Solution

The fourth proportional to 42,567.72, 63,804.19 and 20,333.22 is: 30,477.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,567.72 : 63,804.19 = 20,333.22 : x
  2. Step 2: Convert to fraction form
    42,567.72/63,804.19 = 20,333.22/x
  3. Step 3: Cross multiply
    42,567.72x = 63,804.19 × 20,333.22
  4. Step 4: Simplify right side
    42,567.72x = 1,297,344,632.19
  5. Step 5: Solve for x
    x = 1,297,344,632.19/42,567.72
  6. Step 6: Final answer
    x = 30,477.19

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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.