Home / 48,284.62-72,418.02-20,197.06

Finding the Fourth Proportional to 48,284.62, 72,418.02 and 20,197.06

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Solution

The fourth proportional to 48,284.62, 72,418.02 and 20,197.06 is: 30,291.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,284.62 : 72,418.02 = 20,197.06 : x
  2. Step 2: Convert to fraction form
    48,284.62/72,418.02 = 20,197.06/x
  3. Step 3: Cross multiply
    48,284.62x = 72,418.02 × 20,197.06
  4. Step 4: Simplify right side
    48,284.62x = 1,462,631,095.02
  5. Step 5: Solve for x
    x = 1,462,631,095.02/48,284.62
  6. Step 6: Final answer
    x = 30,291.86

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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.