Home / 48,448.73-72,664.88-13,388.49

Finding the Fourth Proportional to 48,448.73, 72,664.88 and 13,388.49

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Solution

The fourth proportional to 48,448.73, 72,664.88 and 13,388.49 is: 20,080.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,448.73 : 72,664.88 = 13,388.49 : x
  2. Step 2: Convert to fraction form
    48,448.73/72,664.88 = 13,388.49/x
  3. Step 3: Cross multiply
    48,448.73x = 72,664.88 × 13,388.49
  4. Step 4: Simplify right side
    48,448.73x = 972,872,952.29
  5. Step 5: Solve for x
    x = 972,872,952.29/48,448.73
  6. Step 6: Final answer
    x = 20,080.46

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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.