Home / 48,958.35-73,368.95-20,840.42

Finding the Fourth Proportional to 48,958.35, 73,368.95 and 20,840.42

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Solution

The fourth proportional to 48,958.35, 73,368.95 and 20,840.42 is: 31,231.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,958.35 : 73,368.95 = 20,840.42 : x
  2. Step 2: Convert to fraction form
    48,958.35/73,368.95 = 20,840.42/x
  3. Step 3: Cross multiply
    48,958.35x = 73,368.95 × 20,840.42
  4. Step 4: Simplify right side
    48,958.35x = 1,529,039,261.91
  5. Step 5: Solve for x
    x = 1,529,039,261.91/48,958.35
  6. Step 6: Final answer
    x = 31,231.43

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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.