Home / 54,905.24-82,361.21-15,465.74

Finding the Fourth Proportional to 54,905.24, 82,361.21 and 15,465.74

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Solution

The fourth proportional to 54,905.24, 82,361.21 and 15,465.74 is: 23,199.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,905.24 : 82,361.21 = 15,465.74 : x
  2. Step 2: Convert to fraction form
    54,905.24/82,361.21 = 15,465.74/x
  3. Step 3: Cross multiply
    54,905.24x = 82,361.21 × 15,465.74
  4. Step 4: Simplify right side
    54,905.24x = 1,273,776,570.81
  5. Step 5: Solve for x
    x = 1,273,776,570.81/54,905.24
  6. Step 6: Final answer
    x = 23,199.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.