Home / 29,230.20-43,852.50-8,455.80

Finding the Fourth Proportional to 29,230.20, 43,852.50 and 8,455.80

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Solution

The fourth proportional to 29,230.20, 43,852.50 and 8,455.80 is: 12,685.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,230.20 : 43,852.50 = 8,455.80 : x
  2. Step 2: Convert to fraction form
    29,230.20/43,852.50 = 8,455.80/x
  3. Step 3: Cross multiply
    29,230.20x = 43,852.50 × 8,455.80
  4. Step 4: Simplify right side
    29,230.20x = 370,807,969.50
  5. Step 5: Solve for x
    x = 370,807,969.50/29,230.20
  6. Step 6: Final answer
    x = 12,685.78

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1.5x scale

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.