Home / 47,821.12-71,731.56-14,541.04

Finding the Fourth Proportional to 47,821.12, 71,731.56 and 14,541.04

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Solution

The fourth proportional to 47,821.12, 71,731.56 and 14,541.04 is: 21,811.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,821.12 : 71,731.56 = 14,541.04 : x
  2. Step 2: Convert to fraction form
    47,821.12/71,731.56 = 14,541.04/x
  3. Step 3: Cross multiply
    47,821.12x = 71,731.56 × 14,541.04
  4. Step 4: Simplify right side
    47,821.12x = 1,043,051,483.22
  5. Step 5: Solve for x
    x = 1,043,051,483.22/47,821.12
  6. Step 6: Final answer
    x = 21,811.52

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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.