Home / 55,676.04-76,837.78-30,530.44

Finding the Fourth Proportional to 55,676.04, 76,837.78 and 30,530.44

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Solution

The fourth proportional to 55,676.04, 76,837.78 and 30,530.44 is: 42,134.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.04 : 76,837.78 = 30,530.44 : x
  2. Step 2: Convert to fraction form
    55,676.04/76,837.78 = 30,530.44/x
  3. Step 3: Cross multiply
    55,676.04x = 76,837.78 × 30,530.44
  4. Step 4: Simplify right side
    55,676.04x = 2,345,891,232.02
  5. Step 5: Solve for x
    x = 2,345,891,232.02/55,676.04
  6. Step 6: Final answer
    x = 42,134.66

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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.