Home / 40,645.75-56,093.32-22,739.69

Finding the Fourth Proportional to 40,645.75, 56,093.32 and 22,739.69

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Solution

The fourth proportional to 40,645.75, 56,093.32 and 22,739.69 is: 31,381.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,645.75 : 56,093.32 = 22,739.69 : x
  2. Step 2: Convert to fraction form
    40,645.75/56,093.32 = 22,739.69/x
  3. Step 3: Cross multiply
    40,645.75x = 56,093.32 × 22,739.69
  4. Step 4: Simplify right side
    40,645.75x = 1,275,544,707.87
  5. Step 5: Solve for x
    x = 1,275,544,707.87/40,645.75
  6. Step 6: Final answer
    x = 31,381.99

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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.