Home / 54,058.59-81,139.73-30,704.67

Finding the Fourth Proportional to 54,058.59, 81,139.73 and 30,704.67

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Solution

The fourth proportional to 54,058.59, 81,139.73 and 30,704.67 is: 46,086.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,058.59 : 81,139.73 = 30,704.67 : x
  2. Step 2: Convert to fraction form
    54,058.59/81,139.73 = 30,704.67/x
  3. Step 3: Cross multiply
    54,058.59x = 81,139.73 × 30,704.67
  4. Step 4: Simplify right side
    54,058.59x = 2,491,368,480.02
  5. Step 5: Solve for x
    x = 2,491,368,480.02/54,058.59
  6. Step 6: Final answer
    x = 46,086.45

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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.