Home / 53,004.74-73,147.40-30,343.64

Finding the Fourth Proportional to 53,004.74, 73,147.40 and 30,343.64

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Solution

The fourth proportional to 53,004.74, 73,147.40 and 30,343.64 is: 41,874.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,004.74 : 73,147.40 = 30,343.64 : x
  2. Step 2: Convert to fraction form
    53,004.74/73,147.40 = 30,343.64/x
  3. Step 3: Cross multiply
    53,004.74x = 73,147.40 × 30,343.64
  4. Step 4: Simplify right side
    53,004.74x = 2,219,557,855.08
  5. Step 5: Solve for x
    x = 2,219,557,855.08/53,004.74
  6. Step 6: Final answer
    x = 41,874.71

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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.