Home / 48,311.42-66,670.44-29,188.53

Finding the Fourth Proportional to 48,311.42, 66,670.44 and 29,188.53

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Solution

The fourth proportional to 48,311.42, 66,670.44 and 29,188.53 is: 40,280.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,311.42 : 66,670.44 = 29,188.53 : x
  2. Step 2: Convert to fraction form
    48,311.42/66,670.44 = 29,188.53/x
  3. Step 3: Cross multiply
    48,311.42x = 66,670.44 × 29,188.53
  4. Step 4: Simplify right side
    48,311.42x = 1,946,012,138.05
  5. Step 5: Solve for x
    x = 1,946,012,138.05/48,311.42
  6. Step 6: Final answer
    x = 40,280.59

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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.