Home / 31,351.66-47,028.90-12,376.29

Finding the Fourth Proportional to 31,351.66, 47,028.90 and 12,376.29

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Solution

The fourth proportional to 31,351.66, 47,028.90 and 12,376.29 is: 18,565.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,351.66 : 47,028.90 = 12,376.29 : x
  2. Step 2: Convert to fraction form
    31,351.66/47,028.90 = 12,376.29/x
  3. Step 3: Cross multiply
    31,351.66x = 47,028.90 × 12,376.29
  4. Step 4: Simplify right side
    31,351.66x = 582,043,527.55
  5. Step 5: Solve for x
    x = 582,043,527.55/31,351.66
  6. Step 6: Final answer
    x = 18,565.00

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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.