Home / 30,813.21-46,229.10-13,034.72

Finding the Fourth Proportional to 30,813.21, 46,229.10 and 13,034.72

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Solution

The fourth proportional to 30,813.21, 46,229.10 and 13,034.72 is: 19,556.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,813.21 : 46,229.10 = 13,034.72 : x
  2. Step 2: Convert to fraction form
    30,813.21/46,229.10 = 13,034.72/x
  3. Step 3: Cross multiply
    30,813.21x = 46,229.10 × 13,034.72
  4. Step 4: Simplify right side
    30,813.21x = 602,583,374.35
  5. Step 5: Solve for x
    x = 602,583,374.35/30,813.21
  6. Step 6: Final answer
    x = 19,556.01

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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.