Home / 45,338.15-68,020.81-18,306.57

Finding the Fourth Proportional to 45,338.15, 68,020.81 and 18,306.57

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Solution

The fourth proportional to 45,338.15, 68,020.81 and 18,306.57 is: 27,465.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,338.15 : 68,020.81 = 18,306.57 : x
  2. Step 2: Convert to fraction form
    45,338.15/68,020.81 = 18,306.57/x
  3. Step 3: Cross multiply
    45,338.15x = 68,020.81 × 18,306.57
  4. Step 4: Simplify right side
    45,338.15x = 1,245,228,032.01
  5. Step 5: Solve for x
    x = 1,245,228,032.01/45,338.15
  6. Step 6: Final answer
    x = 27,465.35

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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.