Home / 30,763.40-46,147.64-8,576.99

Finding the Fourth Proportional to 30,763.40, 46,147.64 and 8,576.99

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Solution

The fourth proportional to 30,763.40, 46,147.64 and 8,576.99 is: 12,866.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,763.40 : 46,147.64 = 8,576.99 : x
  2. Step 2: Convert to fraction form
    30,763.40/46,147.64 = 8,576.99/x
  3. Step 3: Cross multiply
    30,763.40x = 46,147.64 × 8,576.99
  4. Step 4: Simplify right side
    30,763.40x = 395,807,573.18
  5. Step 5: Solve for x
    x = 395,807,573.18/30,763.40
  6. Step 6: Final answer
    x = 12,866.19

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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.