Home / 34,820.37-47,942.85-30,727.95

Finding the Fourth Proportional to 34,820.37, 47,942.85 and 30,727.95

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Solution

The fourth proportional to 34,820.37, 47,942.85 and 30,727.95 is: 42,308.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,820.37 : 47,942.85 = 30,727.95 : x
  2. Step 2: Convert to fraction form
    34,820.37/47,942.85 = 30,727.95/x
  3. Step 3: Cross multiply
    34,820.37x = 47,942.85 × 30,727.95
  4. Step 4: Simplify right side
    34,820.37x = 1,473,185,497.66
  5. Step 5: Solve for x
    x = 1,473,185,497.66/34,820.37
  6. Step 6: Final answer
    x = 42,308.15

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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.