Home / 47,622.12-71,456.56-19,157.92

Finding the Fourth Proportional to 47,622.12, 71,456.56 and 19,157.92

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Solution

The fourth proportional to 47,622.12, 71,456.56 and 19,157.92 is: 28,746.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,622.12 : 71,456.56 = 19,157.92 : x
  2. Step 2: Convert to fraction form
    47,622.12/71,456.56 = 19,157.92/x
  3. Step 3: Cross multiply
    47,622.12x = 71,456.56 × 19,157.92
  4. Step 4: Simplify right side
    47,622.12x = 1,368,959,059.96
  5. Step 5: Solve for x
    x = 1,368,959,059.96/47,622.12
  6. Step 6: Final answer
    x = 28,746.29

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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.