Home / 31,266.03-46,912.38-20,739.74

Finding the Fourth Proportional to 31,266.03, 46,912.38 and 20,739.74

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Solution

The fourth proportional to 31,266.03, 46,912.38 and 20,739.74 is: 31,118.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,266.03 : 46,912.38 = 20,739.74 : x
  2. Step 2: Convert to fraction form
    31,266.03/46,912.38 = 20,739.74/x
  3. Step 3: Cross multiply
    31,266.03x = 46,912.38 × 20,739.74
  4. Step 4: Simplify right side
    31,266.03x = 972,950,329.42
  5. Step 5: Solve for x
    x = 972,950,329.42/31,266.03
  6. Step 6: Final answer
    x = 31,118.45

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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.