Home / 48,579.06-72,805.47-21,905.46

Finding the Fourth Proportional to 48,579.06, 72,805.47 and 21,905.46

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Solution

The fourth proportional to 48,579.06, 72,805.47 and 21,905.46 is: 32,829.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,579.06 : 72,805.47 = 21,905.46 : x
  2. Step 2: Convert to fraction form
    48,579.06/72,805.47 = 21,905.46/x
  3. Step 3: Cross multiply
    48,579.06x = 72,805.47 × 21,905.46
  4. Step 4: Simplify right side
    48,579.06x = 1,594,837,310.87
  5. Step 5: Solve for x
    x = 1,594,837,310.87/48,579.06
  6. Step 6: Final answer
    x = 32,829.73

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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.