Home / 31,970.35-47,955.43-8,596.81

Finding the Fourth Proportional to 31,970.35, 47,955.43 and 8,596.81

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Solution

The fourth proportional to 31,970.35, 47,955.43 and 8,596.81 is: 12,895.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,970.35 : 47,955.43 = 8,596.81 : x
  2. Step 2: Convert to fraction form
    31,970.35/47,955.43 = 8,596.81/x
  3. Step 3: Cross multiply
    31,970.35x = 47,955.43 × 8,596.81
  4. Step 4: Simplify right side
    31,970.35x = 412,263,720.18
  5. Step 5: Solve for x
    x = 412,263,720.18/31,970.35
  6. Step 6: Final answer
    x = 12,895.19

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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.