Home / 51,323.26-70,832.25-31,183.42

Finding the Fourth Proportional to 51,323.26, 70,832.25 and 31,183.42

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Solution

The fourth proportional to 51,323.26, 70,832.25 and 31,183.42 is: 43,036.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,323.26 : 70,832.25 = 31,183.42 : x
  2. Step 2: Convert to fraction form
    51,323.26/70,832.25 = 31,183.42/x
  3. Step 3: Cross multiply
    51,323.26x = 70,832.25 × 31,183.42
  4. Step 4: Simplify right side
    51,323.26x = 2,208,791,801.30
  5. Step 5: Solve for x
    x = 2,208,791,801.30/51,323.26
  6. Step 6: Final answer
    x = 43,036.86

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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.