Home / 31,974.84-47,956.80-14,440.56

Finding the Fourth Proportional to 31,974.84, 47,956.80 and 14,440.56

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Solution

The fourth proportional to 31,974.84, 47,956.80 and 14,440.56 is: 21,658.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.84 : 47,956.80 = 14,440.56 : x
  2. Step 2: Convert to fraction form
    31,974.84/47,956.80 = 14,440.56/x
  3. Step 3: Cross multiply
    31,974.84x = 47,956.80 × 14,440.56
  4. Step 4: Simplify right side
    31,974.84x = 692,523,047.81
  5. Step 5: Solve for x
    x = 692,523,047.81/31,974.84
  6. Step 6: Final answer
    x = 21,658.37

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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.