Home / 37,518.11-51,745.09-31,871.55

Finding the Fourth Proportional to 37,518.11, 51,745.09 and 31,871.55

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Solution

The fourth proportional to 37,518.11, 51,745.09 and 31,871.55 is: 43,957.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,518.11 : 51,745.09 = 31,871.55 : x
  2. Step 2: Convert to fraction form
    37,518.11/51,745.09 = 31,871.55/x
  3. Step 3: Cross multiply
    37,518.11x = 51,745.09 × 31,871.55
  4. Step 4: Simplify right side
    37,518.11x = 1,649,196,223.19
  5. Step 5: Solve for x
    x = 1,649,196,223.19/37,518.11
  6. Step 6: Final answer
    x = 43,957.34

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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.