Home / 37,258.21-55,889.03-12,300.43

Finding the Fourth Proportional to 37,258.21, 55,889.03 and 12,300.43

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Solution

The fourth proportional to 37,258.21, 55,889.03 and 12,300.43 is: 18,451.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,258.21 : 55,889.03 = 12,300.43 : x
  2. Step 2: Convert to fraction form
    37,258.21/55,889.03 = 12,300.43/x
  3. Step 3: Cross multiply
    37,258.21x = 55,889.03 × 12,300.43
  4. Step 4: Simplify right side
    37,258.21x = 687,459,101.28
  5. Step 5: Solve for x
    x = 687,459,101.28/37,258.21
  6. Step 6: Final answer
    x = 18,451.21

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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.