Home / 30,916.28-46,377.20-8,729.88

Finding the Fourth Proportional to 30,916.28, 46,377.20 and 8,729.88

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Solution

The fourth proportional to 30,916.28, 46,377.20 and 8,729.88 is: 13,095.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,916.28 : 46,377.20 = 8,729.88 : x
  2. Step 2: Convert to fraction form
    30,916.28/46,377.20 = 8,729.88/x
  3. Step 3: Cross multiply
    30,916.28x = 46,377.20 × 8,729.88
  4. Step 4: Simplify right side
    30,916.28x = 404,867,390.74
  5. Step 5: Solve for x
    x = 404,867,390.74/30,916.28
  6. Step 6: Final answer
    x = 13,095.60

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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.