Home / 48,548.13-66,983.31-28,410

Finding the Fourth Proportional to 48,548.13, 66,983.31 and 28,410

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Solution

The fourth proportional to 48,548.13, 66,983.31 and 28,410 is: 39,198.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,548.13 : 66,983.31 = 28,410 : x
  2. Step 2: Convert to fraction form
    48,548.13/66,983.31 = 28,410/x
  3. Step 3: Cross multiply
    48,548.13x = 66,983.31 × 28,410
  4. Step 4: Simplify right side
    48,548.13x = 1,902,995,837.10
  5. Step 5: Solve for x
    x = 1,902,995,837.10/48,548.13
  6. Step 6: Final answer
    x = 39,198.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.