Home / 47,454.21-71,181.23-19,387.44

Finding the Fourth Proportional to 47,454.21, 71,181.23 and 19,387.44

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Solution

The fourth proportional to 47,454.21, 71,181.23 and 19,387.44 is: 29,081.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,454.21 : 71,181.23 = 19,387.44 : x
  2. Step 2: Convert to fraction form
    47,454.21/71,181.23 = 19,387.44/x
  3. Step 3: Cross multiply
    47,454.21x = 71,181.23 × 19,387.44
  4. Step 4: Simplify right side
    47,454.21x = 1,380,021,728.81
  5. Step 5: Solve for x
    x = 1,380,021,728.81/47,454.21
  6. Step 6: Final answer
    x = 29,081.12

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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.