Home / 54,537-81,761.64-30,829.92

Finding the Fourth Proportional to 54,537, 81,761.64 and 30,829.92

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Solution

The fourth proportional to 54,537, 81,761.64 and 30,829.92 is: 46,220.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,537 : 81,761.64 = 30,829.92 : x
  2. Step 2: Convert to fraction form
    54,537/81,761.64 = 30,829.92/x
  3. Step 3: Cross multiply
    54,537x = 81,761.64 × 30,829.92
  4. Step 4: Simplify right side
    54,537x = 2,520,704,820.27
  5. Step 5: Solve for x
    x = 2,520,704,820.27/54,537
  6. Step 6: Final answer
    x = 46,220.09

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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.