Home / 40,647.96-56,091.54-22,739.88

Finding the Fourth Proportional to 40,647.96, 56,091.54 and 22,739.88

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Solution

The fourth proportional to 40,647.96, 56,091.54 and 22,739.88 is: 31,379.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,647.96 : 56,091.54 = 22,739.88 : x
  2. Step 2: Convert to fraction form
    40,647.96/56,091.54 = 22,739.88/x
  3. Step 3: Cross multiply
    40,647.96x = 56,091.54 × 22,739.88
  4. Step 4: Simplify right side
    40,647.96x = 1,275,514,888.62
  5. Step 5: Solve for x
    x = 1,275,514,888.62/40,647.96
  6. Step 6: Final answer
    x = 31,379.55

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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.