Home / 50,538.08-69,742.40-28,182.08

Finding the Fourth Proportional to 50,538.08, 69,742.40 and 28,182.08

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Solution

The fourth proportional to 50,538.08, 69,742.40 and 28,182.08 is: 38,891.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,538.08 : 69,742.40 = 28,182.08 : x
  2. Step 2: Convert to fraction form
    50,538.08/69,742.40 = 28,182.08/x
  3. Step 3: Cross multiply
    50,538.08x = 69,742.40 × 28,182.08
  4. Step 4: Simplify right side
    50,538.08x = 1,965,485,896.19
  5. Step 5: Solve for x
    x = 1,965,485,896.19/50,538.08
  6. Step 6: Final answer
    x = 38,891.19

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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.