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Finding the Fourth Proportional to 48,933.47, 73,405.47 and 15,641.66

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Solution

The fourth proportional to 48,933.47, 73,405.47 and 15,641.66 is: 23,464.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,933.47 : 73,405.47 = 15,641.66 : x
  2. Step 2: Convert to fraction form
    48,933.47/73,405.47 = 15,641.66/x
  3. Step 3: Cross multiply
    48,933.47x = 73,405.47 × 15,641.66
  4. Step 4: Simplify right side
    48,933.47x = 1,148,183,646.05
  5. Step 5: Solve for x
    x = 1,148,183,646.05/48,933.47
  6. Step 6: Final answer
    x = 23,464.18

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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.