Home / 55,542.42-76,648.32-30,048.84

Finding the Fourth Proportional to 55,542.42, 76,648.32 and 30,048.84

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Solution

The fourth proportional to 55,542.42, 76,648.32 and 30,048.84 is: 41,467.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,542.42 : 76,648.32 = 30,048.84 : x
  2. Step 2: Convert to fraction form
    55,542.42/76,648.32 = 30,048.84/x
  3. Step 3: Cross multiply
    55,542.42x = 76,648.32 × 30,048.84
  4. Step 4: Simplify right side
    55,542.42x = 2,303,193,103.95
  5. Step 5: Solve for x
    x = 2,303,193,103.95/55,542.42
  6. Step 6: Final answer
    x = 41,467.28

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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.