Home / 48,927.12-73,381.41-20,841.90

Finding the Fourth Proportional to 48,927.12, 73,381.41 and 20,841.90

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Solution

The fourth proportional to 48,927.12, 73,381.41 and 20,841.90 is: 31,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,927.12 : 73,381.41 = 20,841.90 : x
  2. Step 2: Convert to fraction form
    48,927.12/73,381.41 = 20,841.90/x
  3. Step 3: Cross multiply
    48,927.12x = 73,381.41 × 20,841.90
  4. Step 4: Simplify right side
    48,927.12x = 1,529,408,009.08
  5. Step 5: Solve for x
    x = 1,529,408,009.08/48,927.12
  6. Step 6: Final answer
    x = 31,258.90

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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.