Home / 30,888.38-46,331.48-13,107.62

Finding the Fourth Proportional to 30,888.38, 46,331.48 and 13,107.62

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Solution

The fourth proportional to 30,888.38, 46,331.48 and 13,107.62 is: 19,660.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,888.38 : 46,331.48 = 13,107.62 : x
  2. Step 2: Convert to fraction form
    30,888.38/46,331.48 = 13,107.62/x
  3. Step 3: Cross multiply
    30,888.38x = 46,331.48 × 13,107.62
  4. Step 4: Simplify right side
    30,888.38x = 607,295,433.88
  5. Step 5: Solve for x
    x = 607,295,433.88/30,888.38
  6. Step 6: Final answer
    x = 19,660.97

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1.5x scale

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.