Home / 43,331.54-65,000.99-12,166.79

Finding the Fourth Proportional to 43,331.54, 65,000.99 and 12,166.79

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Solution

The fourth proportional to 43,331.54, 65,000.99 and 12,166.79 is: 18,251.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,331.54 : 65,000.99 = 12,166.79 : x
  2. Step 2: Convert to fraction form
    43,331.54/65,000.99 = 12,166.79/x
  3. Step 3: Cross multiply
    43,331.54x = 65,000.99 × 12,166.79
  4. Step 4: Simplify right side
    43,331.54x = 790,853,588.04
  5. Step 5: Solve for x
    x = 790,853,588.04/43,331.54
  6. Step 6: Final answer
    x = 18,251.22

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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.