Home / 30,982.38-46,457.10-12,261.66

Finding the Fourth Proportional to 30,982.38, 46,457.10 and 12,261.66

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Solution

The fourth proportional to 30,982.38, 46,457.10 and 12,261.66 is: 18,385.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,982.38 : 46,457.10 = 12,261.66 : x
  2. Step 2: Convert to fraction form
    30,982.38/46,457.10 = 12,261.66/x
  3. Step 3: Cross multiply
    30,982.38x = 46,457.10 × 12,261.66
  4. Step 4: Simplify right side
    30,982.38x = 569,641,164.79
  5. Step 5: Solve for x
    x = 569,641,164.79/30,982.38
  6. Step 6: Final answer
    x = 18,385.97

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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.