Home / 40,695.88-56,161.38-22,790.80

Finding the Fourth Proportional to 40,695.88, 56,161.38 and 22,790.80

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Solution

The fourth proportional to 40,695.88, 56,161.38 and 22,790.80 is: 31,451.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,695.88 : 56,161.38 = 22,790.80 : x
  2. Step 2: Convert to fraction form
    40,695.88/56,161.38 = 22,790.80/x
  3. Step 3: Cross multiply
    40,695.88x = 56,161.38 × 22,790.80
  4. Step 4: Simplify right side
    40,695.88x = 1,279,962,779.30
  5. Step 5: Solve for x
    x = 1,279,962,779.30/40,695.88
  6. Step 6: Final answer
    x = 31,451.90

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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.