Home / 31,955.62-47,935.86-10,889.14

Finding the Fourth Proportional to 31,955.62, 47,935.86 and 10,889.14

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Solution

The fourth proportional to 31,955.62, 47,935.86 and 10,889.14 is: 16,334.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,955.62 : 47,935.86 = 10,889.14 : x
  2. Step 2: Convert to fraction form
    31,955.62/47,935.86 = 10,889.14/x
  3. Step 3: Cross multiply
    31,955.62x = 47,935.86 × 10,889.14
  4. Step 4: Simplify right side
    31,955.62x = 521,980,290.56
  5. Step 5: Solve for x
    x = 521,980,290.56/31,955.62
  6. Step 6: Final answer
    x = 16,334.54

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1.5x scale

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.