Home / 54,583.81-81,849.76-19,040.81

Finding the Fourth Proportional to 54,583.81, 81,849.76 and 19,040.81

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Solution

The fourth proportional to 54,583.81, 81,849.76 and 19,040.81 is: 28,552.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,583.81 : 81,849.76 = 19,040.81 : x
  2. Step 2: Convert to fraction form
    54,583.81/81,849.76 = 19,040.81/x
  3. Step 3: Cross multiply
    54,583.81x = 81,849.76 × 19,040.81
  4. Step 4: Simplify right side
    54,583.81x = 1,558,485,271.85
  5. Step 5: Solve for x
    x = 1,558,485,271.85/54,583.81
  6. Step 6: Final answer
    x = 28,552.15

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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.