Home / 48,065.04-72,078.12-19,965.96

Finding the Fourth Proportional to 48,065.04, 72,078.12 and 19,965.96

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Solution

The fourth proportional to 48,065.04, 72,078.12 and 19,965.96 is: 29,940.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,065.04 : 72,078.12 = 19,965.96 : x
  2. Step 2: Convert to fraction form
    48,065.04/72,078.12 = 19,965.96/x
  3. Step 3: Cross multiply
    48,065.04x = 72,078.12 × 19,965.96
  4. Step 4: Simplify right side
    48,065.04x = 1,439,108,860.80
  5. Step 5: Solve for x
    x = 1,439,108,860.80/48,065.04
  6. Step 6: Final answer
    x = 29,940.86

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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.