Home / 47,813.28-71,644.96-30,246

Finding the Fourth Proportional to 47,813.28, 71,644.96 and 30,246

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Solution

The fourth proportional to 47,813.28, 71,644.96 and 30,246 is: 45,321.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,813.28 : 71,644.96 = 30,246 : x
  2. Step 2: Convert to fraction form
    47,813.28/71,644.96 = 30,246/x
  3. Step 3: Cross multiply
    47,813.28x = 71,644.96 × 30,246
  4. Step 4: Simplify right side
    47,813.28x = 2,166,973,460.16
  5. Step 5: Solve for x
    x = 2,166,973,460.16/47,813.28
  6. Step 6: Final answer
    x = 45,321.58

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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.