Home / 31,739.37-47,614.09-12,763.96

Finding the Fourth Proportional to 31,739.37, 47,614.09 and 12,763.96

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Solution

The fourth proportional to 31,739.37, 47,614.09 and 12,763.96 is: 19,147.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.37 : 47,614.09 = 12,763.96 : x
  2. Step 2: Convert to fraction form
    31,739.37/47,614.09 = 12,763.96/x
  3. Step 3: Cross multiply
    31,739.37x = 47,614.09 × 12,763.96
  4. Step 4: Simplify right side
    31,739.37x = 607,744,340.20
  5. Step 5: Solve for x
    x = 607,744,340.20/31,739.37
  6. Step 6: Final answer
    x = 19,147.96

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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.