Home / 30,812.36-46,214.96-8,627.52

Finding the Fourth Proportional to 30,812.36, 46,214.96 and 8,627.52

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Solution

The fourth proportional to 30,812.36, 46,214.96 and 8,627.52 is: 12,940.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,812.36 : 46,214.96 = 8,627.52 : x
  2. Step 2: Convert to fraction form
    30,812.36/46,214.96 = 8,627.52/x
  3. Step 3: Cross multiply
    30,812.36x = 46,214.96 × 8,627.52
  4. Step 4: Simplify right side
    30,812.36x = 398,720,491.70
  5. Step 5: Solve for x
    x = 398,720,491.70/30,812.36
  6. Step 6: Final answer
    x = 12,940.28

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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.