Home / 31,725.75-47,589.39-10,666.07

Finding the Fourth Proportional to 31,725.75, 47,589.39 and 10,666.07

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Solution

The fourth proportional to 31,725.75, 47,589.39 and 10,666.07 is: 15,999.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,725.75 : 47,589.39 = 10,666.07 : x
  2. Step 2: Convert to fraction form
    31,725.75/47,589.39 = 10,666.07/x
  3. Step 3: Cross multiply
    31,725.75x = 47,589.39 × 10,666.07
  4. Step 4: Simplify right side
    31,725.75x = 507,591,527.05
  5. Step 5: Solve for x
    x = 507,591,527.05/31,725.75
  6. Step 6: Final answer
    x = 15,999.35

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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.