Home / 47,231.28-70,835.58-13,942.35

Finding the Fourth Proportional to 47,231.28, 70,835.58 and 13,942.35

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Solution

The fourth proportional to 47,231.28, 70,835.58 and 13,942.35 is: 20,910.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,231.28 : 70,835.58 = 13,942.35 : x
  2. Step 2: Convert to fraction form
    47,231.28/70,835.58 = 13,942.35/x
  3. Step 3: Cross multiply
    47,231.28x = 70,835.58 × 13,942.35
  4. Step 4: Simplify right side
    47,231.28x = 987,614,448.81
  5. Step 5: Solve for x
    x = 987,614,448.81/47,231.28
  6. Step 6: Final answer
    x = 20,910.18

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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.