Home / 55,213.41-76,186.22-31,013.44

Finding the Fourth Proportional to 55,213.41, 76,186.22 and 31,013.44

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Solution

The fourth proportional to 55,213.41, 76,186.22 and 31,013.44 is: 42,793.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,213.41 : 76,186.22 = 31,013.44 : x
  2. Step 2: Convert to fraction form
    55,213.41/76,186.22 = 31,013.44/x
  3. Step 3: Cross multiply
    55,213.41x = 76,186.22 × 31,013.44
  4. Step 4: Simplify right side
    55,213.41x = 2,362,796,607.73
  5. Step 5: Solve for x
    x = 2,362,796,607.73/55,213.41
  6. Step 6: Final answer
    x = 42,793.89

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1.5x scale

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.