Home / 50,530.96-75,798.44-18,937.72

Finding the Fourth Proportional to 50,530.96, 75,798.44 and 18,937.72

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Solution

The fourth proportional to 50,530.96, 75,798.44 and 18,937.72 is: 28,407.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,530.96 : 75,798.44 = 18,937.72 : x
  2. Step 2: Convert to fraction form
    50,530.96/75,798.44 = 18,937.72/x
  3. Step 3: Cross multiply
    50,530.96x = 75,798.44 × 18,937.72
  4. Step 4: Simplify right side
    50,530.96x = 1,435,449,633.16
  5. Step 5: Solve for x
    x = 1,435,449,633.16/50,530.96
  6. Step 6: Final answer
    x = 28,407.33

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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.