Home / 29,208.20-43,812.30-9,487.40

Finding the Fourth Proportional to 29,208.20, 43,812.30 and 9,487.40

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Solution

The fourth proportional to 29,208.20, 43,812.30 and 9,487.40 is: 14,231.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,208.20 : 43,812.30 = 9,487.40 : x
  2. Step 2: Convert to fraction form
    29,208.20/43,812.30 = 9,487.40/x
  3. Step 3: Cross multiply
    29,208.20x = 43,812.30 × 9,487.40
  4. Step 4: Simplify right side
    29,208.20x = 415,664,815.02
  5. Step 5: Solve for x
    x = 415,664,815.02/29,208.20
  6. Step 6: Final answer
    x = 14,231.10

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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.