Home / 40,690.22-56,157.30-22,781.77

Finding the Fourth Proportional to 40,690.22, 56,157.30 and 22,781.77

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Solution

The fourth proportional to 40,690.22, 56,157.30 and 22,781.77 is: 31,441.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,690.22 : 56,157.30 = 22,781.77 : x
  2. Step 2: Convert to fraction form
    40,690.22/56,157.30 = 22,781.77/x
  3. Step 3: Cross multiply
    40,690.22x = 56,157.30 × 22,781.77
  4. Step 4: Simplify right side
    40,690.22x = 1,279,362,552.03
  5. Step 5: Solve for x
    x = 1,279,362,552.03/40,690.22
  6. Step 6: Final answer
    x = 31,441.52

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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.