Home / 48,669.93-72,989.82-20,589.48

Finding the Fourth Proportional to 48,669.93, 72,989.82 and 20,589.48

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Solution

The fourth proportional to 48,669.93, 72,989.82 and 20,589.48 is: 30,877.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,669.93 : 72,989.82 = 20,589.48 : x
  2. Step 2: Convert to fraction form
    48,669.93/72,989.82 = 20,589.48/x
  3. Step 3: Cross multiply
    48,669.93x = 72,989.82 × 20,589.48
  4. Step 4: Simplify right side
    48,669.93x = 1,502,822,439.09
  5. Step 5: Solve for x
    x = 1,502,822,439.09/48,669.93
  6. Step 6: Final answer
    x = 30,877.84

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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.