Home / 40,361.76-55,669.44-27,790.56

Finding the Fourth Proportional to 40,361.76, 55,669.44 and 27,790.56

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Solution

The fourth proportional to 40,361.76, 55,669.44 and 27,790.56 is: 38,330.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,361.76 : 55,669.44 = 27,790.56 : x
  2. Step 2: Convert to fraction form
    40,361.76/55,669.44 = 27,790.56/x
  3. Step 3: Cross multiply
    40,361.76x = 55,669.44 × 27,790.56
  4. Step 4: Simplify right side
    40,361.76x = 1,547,084,912.49
  5. Step 5: Solve for x
    x = 1,547,084,912.49/40,361.76
  6. Step 6: Final answer
    x = 38,330.46

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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.