Home / 29,188.20-43,814.70-18,107.40

Finding the Fourth Proportional to 29,188.20, 43,814.70 and 18,107.40

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Solution

The fourth proportional to 29,188.20, 43,814.70 and 18,107.40 is: 27,181.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,188.20 : 43,814.70 = 18,107.40 : x
  2. Step 2: Convert to fraction form
    29,188.20/43,814.70 = 18,107.40/x
  3. Step 3: Cross multiply
    29,188.20x = 43,814.70 × 18,107.40
  4. Step 4: Simplify right side
    29,188.20x = 793,370,298.78
  5. Step 5: Solve for x
    x = 793,370,298.78/29,188.20
  6. Step 6: Final answer
    x = 27,181.20

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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.