Home / 30,811.64-46,217.58-8,625.02

Finding the Fourth Proportional to 30,811.64, 46,217.58 and 8,625.02

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Solution

The fourth proportional to 30,811.64, 46,217.58 and 8,625.02 is: 12,937.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,811.64 : 46,217.58 = 8,625.02 : x
  2. Step 2: Convert to fraction form
    30,811.64/46,217.58 = 8,625.02/x
  3. Step 3: Cross multiply
    30,811.64x = 46,217.58 × 8,625.02
  4. Step 4: Simplify right side
    30,811.64x = 398,627,551.85
  5. Step 5: Solve for x
    x = 398,627,551.85/30,811.64
  6. Step 6: Final answer
    x = 12,937.56

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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.