Home / 55,359.45-76,374-34,101.81

Finding the Fourth Proportional to 55,359.45, 76,374 and 34,101.81

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Solution

The fourth proportional to 55,359.45, 76,374 and 34,101.81 is: 47,046.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,359.45 : 76,374 = 34,101.81 : x
  2. Step 2: Convert to fraction form
    55,359.45/76,374 = 34,101.81/x
  3. Step 3: Cross multiply
    55,359.45x = 76,374 × 34,101.81
  4. Step 4: Simplify right side
    55,359.45x = 2,604,491,636.94
  5. Step 5: Solve for x
    x = 2,604,491,636.94/55,359.45
  6. Step 6: Final answer
    x = 47,046.92

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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.