Home / 54,671.08-82,011.48-21,393.60

Finding the Fourth Proportional to 54,671.08, 82,011.48 and 21,393.60

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Solution

The fourth proportional to 54,671.08, 82,011.48 and 21,393.60 is: 32,092.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,671.08 : 82,011.48 = 21,393.60 : x
  2. Step 2: Convert to fraction form
    54,671.08/82,011.48 = 21,393.60/x
  3. Step 3: Cross multiply
    54,671.08x = 82,011.48 × 21,393.60
  4. Step 4: Simplify right side
    54,671.08x = 1,754,520,798.53
  5. Step 5: Solve for x
    x = 1,754,520,798.53/54,671.08
  6. Step 6: Final answer
    x = 32,092.30

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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.