Home / 48,548.98-72,851.78-20,467.32

Finding the Fourth Proportional to 48,548.98, 72,851.78 and 20,467.32

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Solution

The fourth proportional to 48,548.98, 72,851.78 and 20,467.32 is: 30,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,548.98 : 72,851.78 = 20,467.32 : x
  2. Step 2: Convert to fraction form
    48,548.98/72,851.78 = 20,467.32/x
  3. Step 3: Cross multiply
    48,548.98x = 72,851.78 × 20,467.32
  4. Step 4: Simplify right side
    48,548.98x = 1,491,080,693.83
  5. Step 5: Solve for x
    x = 1,491,080,693.83/48,548.98
  6. Step 6: Final answer
    x = 30,712.91

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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.