Home / 48,418.45-72,599.73-18,801.69

Finding the Fourth Proportional to 48,418.45, 72,599.73 and 18,801.69

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Solution

The fourth proportional to 48,418.45, 72,599.73 and 18,801.69 is: 28,191.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,418.45 : 72,599.73 = 18,801.69 : x
  2. Step 2: Convert to fraction form
    48,418.45/72,599.73 = 18,801.69/x
  3. Step 3: Cross multiply
    48,418.45x = 72,599.73 × 18,801.69
  4. Step 4: Simplify right side
    48,418.45x = 1,364,997,617.54
  5. Step 5: Solve for x
    x = 1,364,997,617.54/48,418.45
  6. Step 6: Final answer
    x = 28,191.68

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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.