Home / 40,150.98-55,409.58-22,245.66

Finding the Fourth Proportional to 40,150.98, 55,409.58 and 22,245.66

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Solution

The fourth proportional to 40,150.98, 55,409.58 and 22,245.66 is: 30,699.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,150.98 : 55,409.58 = 22,245.66 : x
  2. Step 2: Convert to fraction form
    40,150.98/55,409.58 = 22,245.66/x
  3. Step 3: Cross multiply
    40,150.98x = 55,409.58 × 22,245.66
  4. Step 4: Simplify right side
    40,150.98x = 1,232,622,677.42
  5. Step 5: Solve for x
    x = 1,232,622,677.42/40,150.98
  6. Step 6: Final answer
    x = 30,699.69

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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.