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Finding the Fourth Proportional to 47,792.64, 71,627.63 and 19,732.42

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Solution

The fourth proportional to 47,792.64, 71,627.63 and 19,732.42 is: 29,573.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,792.64 : 71,627.63 = 19,732.42 : x
  2. Step 2: Convert to fraction form
    47,792.64/71,627.63 = 19,732.42/x
  3. Step 3: Cross multiply
    47,792.64x = 71,627.63 × 19,732.42
  4. Step 4: Simplify right side
    47,792.64x = 1,413,386,349.03
  5. Step 5: Solve for x
    x = 1,413,386,349.03/47,792.64
  6. Step 6: Final answer
    x = 29,573.31

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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.