Home / 55,156.52-76,115.94-30,005.96

Finding the Fourth Proportional to 55,156.52, 76,115.94 and 30,005.96

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Solution

The fourth proportional to 55,156.52, 76,115.94 and 30,005.96 is: 41,408.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.52 : 76,115.94 = 30,005.96 : x
  2. Step 2: Convert to fraction form
    55,156.52/76,115.94 = 30,005.96/x
  3. Step 3: Cross multiply
    55,156.52x = 76,115.94 × 30,005.96
  4. Step 4: Simplify right side
    55,156.52x = 2,283,931,851.00
  5. Step 5: Solve for x
    x = 2,283,931,851.00/55,156.52
  6. Step 6: Final answer
    x = 41,408.19

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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.