Home / 40,404.51-55,757.37-22,255.76

Finding the Fourth Proportional to 40,404.51, 55,757.37 and 22,255.76

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Solution

The fourth proportional to 40,404.51, 55,757.37 and 22,255.76 is: 30,712.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,404.51 : 55,757.37 = 22,255.76 : x
  2. Step 2: Convert to fraction form
    40,404.51/55,757.37 = 22,255.76/x
  3. Step 3: Cross multiply
    40,404.51x = 55,757.37 × 22,255.76
  4. Step 4: Simplify right side
    40,404.51x = 1,240,922,366.16
  5. Step 5: Solve for x
    x = 1,240,922,366.16/40,404.51
  6. Step 6: Final answer
    x = 30,712.47

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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.