Home / 31,972.51-47,964.23-9,783.57

Finding the Fourth Proportional to 31,972.51, 47,964.23 and 9,783.57

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Solution

The fourth proportional to 31,972.51, 47,964.23 and 9,783.57 is: 14,677.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.51 : 47,964.23 = 9,783.57 : x
  2. Step 2: Convert to fraction form
    31,972.51/47,964.23 = 9,783.57/x
  3. Step 3: Cross multiply
    31,972.51x = 47,964.23 × 9,783.57
  4. Step 4: Simplify right side
    31,972.51x = 469,261,401.70
  5. Step 5: Solve for x
    x = 469,261,401.70/31,972.51
  6. Step 6: Final answer
    x = 14,677.03

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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.