Home / 45,758.56-63,186.22-28,791.08

Finding the Fourth Proportional to 45,758.56, 63,186.22 and 28,791.08

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Solution

The fourth proportional to 45,758.56, 63,186.22 and 28,791.08 is: 39,756.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,758.56 : 63,186.22 = 28,791.08 : x
  2. Step 2: Convert to fraction form
    45,758.56/63,186.22 = 28,791.08/x
  3. Step 3: Cross multiply
    45,758.56x = 63,186.22 × 28,791.08
  4. Step 4: Simplify right side
    45,758.56x = 1,819,199,514.92
  5. Step 5: Solve for x
    x = 1,819,199,514.92/45,758.56
  6. Step 6: Final answer
    x = 39,756.49

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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.