Home / 30,895.09-46,227.81-18,421.90

Finding the Fourth Proportional to 30,895.09, 46,227.81 and 18,421.90

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Solution

The fourth proportional to 30,895.09, 46,227.81 and 18,421.90 is: 27,564.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,895.09 : 46,227.81 = 18,421.90 : x
  2. Step 2: Convert to fraction form
    30,895.09/46,227.81 = 18,421.90/x
  3. Step 3: Cross multiply
    30,895.09x = 46,227.81 × 18,421.90
  4. Step 4: Simplify right side
    30,895.09x = 851,604,093.04
  5. Step 5: Solve for x
    x = 851,604,093.04/30,895.09
  6. Step 6: Final answer
    x = 27,564.38

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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.