Home / 40,690.22-56,147.40-22,782.33

Finding the Fourth Proportional to 40,690.22, 56,147.40 and 22,782.33

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Solution

The fourth proportional to 40,690.22, 56,147.40 and 22,782.33 is: 31,436.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.22 : 56,147.40 = 22,782.33 : x
  2. Step 2: Convert to fraction form
    40,690.22/56,147.40 = 22,782.33/x
  3. Step 3: Cross multiply
    40,690.22x = 56,147.40 × 22,782.33
  4. Step 4: Simplify right side
    40,690.22x = 1,279,168,595.44
  5. Step 5: Solve for x
    x = 1,279,168,595.44/40,690.22
  6. Step 6: Final answer
    x = 31,436.76

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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.