Home / 30,386.32-45,575.82-8,197.98

Finding the Fourth Proportional to 30,386.32, 45,575.82 and 8,197.98

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Solution

The fourth proportional to 30,386.32, 45,575.82 and 8,197.98 is: 12,295.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,386.32 : 45,575.82 = 8,197.98 : x
  2. Step 2: Convert to fraction form
    30,386.32/45,575.82 = 8,197.98/x
  3. Step 3: Cross multiply
    30,386.32x = 45,575.82 × 8,197.98
  4. Step 4: Simplify right side
    30,386.32x = 373,629,660.84
  5. Step 5: Solve for x
    x = 373,629,660.84/30,386.32
  6. Step 6: Final answer
    x = 12,295.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.