Home / 31,970.77-47,956.09-8,597.23

Finding the Fourth Proportional to 31,970.77, 47,956.09 and 8,597.23

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Solution

The fourth proportional to 31,970.77, 47,956.09 and 8,597.23 is: 12,895.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.77 : 47,956.09 = 8,597.23 : x
  2. Step 2: Convert to fraction form
    31,970.77/47,956.09 = 8,597.23/x
  3. Step 3: Cross multiply
    31,970.77x = 47,956.09 × 8,597.23
  4. Step 4: Simplify right side
    31,970.77x = 412,289,574.08
  5. Step 5: Solve for x
    x = 412,289,574.08/31,970.77
  6. Step 6: Final answer
    x = 12,895.83

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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.