Home / 39,907.56-55,072.64-22,002.24

Finding the Fourth Proportional to 39,907.56, 55,072.64 and 22,002.24

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Solution

The fourth proportional to 39,907.56, 55,072.64 and 22,002.24 is: 30,363.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,907.56 : 55,072.64 = 22,002.24 : x
  2. Step 2: Convert to fraction form
    39,907.56/55,072.64 = 22,002.24/x
  3. Step 3: Cross multiply
    39,907.56x = 55,072.64 × 22,002.24
  4. Step 4: Simplify right side
    39,907.56x = 1,211,721,442.71
  5. Step 5: Solve for x
    x = 1,211,721,442.71/39,907.56
  6. Step 6: Final answer
    x = 30,363.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.