Home / 31,739.70-47,590.41-16,758.75

Finding the Fourth Proportional to 31,739.70, 47,590.41 and 16,758.75

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Solution

The fourth proportional to 31,739.70, 47,590.41 and 16,758.75 is: 25,128.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,739.70 : 47,590.41 = 16,758.75 : x
  2. Step 2: Convert to fraction form
    31,739.70/47,590.41 = 16,758.75/x
  3. Step 3: Cross multiply
    31,739.70x = 47,590.41 × 16,758.75
  4. Step 4: Simplify right side
    31,739.70x = 797,555,783.59
  5. Step 5: Solve for x
    x = 797,555,783.59/31,739.70
  6. Step 6: Final answer
    x = 25,128.02

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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.