Home / 39,509.93-54,517.75-22,281.54

Finding the Fourth Proportional to 39,509.93, 54,517.75 and 22,281.54

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Solution

The fourth proportional to 39,509.93, 54,517.75 and 22,281.54 is: 30,745.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,509.93 : 54,517.75 = 22,281.54 : x
  2. Step 2: Convert to fraction form
    39,509.93/54,517.75 = 22,281.54/x
  3. Step 3: Cross multiply
    39,509.93x = 54,517.75 × 22,281.54
  4. Step 4: Simplify right side
    39,509.93x = 1,214,739,427.34
  5. Step 5: Solve for x
    x = 1,214,739,427.34/39,509.93
  6. Step 6: Final answer
    x = 30,745.17

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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.