Home / 34,725.81-47,921.69-18,810.27

Finding the Fourth Proportional to 34,725.81, 47,921.69 and 18,810.27

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Solution

The fourth proportional to 34,725.81, 47,921.69 and 18,810.27 is: 25,958.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,725.81 : 47,921.69 = 18,810.27 : x
  2. Step 2: Convert to fraction form
    34,725.81/47,921.69 = 18,810.27/x
  3. Step 3: Cross multiply
    34,725.81x = 47,921.69 × 18,810.27
  4. Step 4: Simplify right side
    34,725.81x = 901,419,833.70
  5. Step 5: Solve for x
    x = 901,419,833.70/34,725.81
  6. Step 6: Final answer
    x = 25,958.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.