Home / 36,086.94-54,116.54-12,390.08

Finding the Fourth Proportional to 36,086.94, 54,116.54 and 12,390.08

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Solution

The fourth proportional to 36,086.94, 54,116.54 and 12,390.08 is: 18,580.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,086.94 : 54,116.54 = 12,390.08 : x
  2. Step 2: Convert to fraction form
    36,086.94/54,116.54 = 12,390.08/x
  3. Step 3: Cross multiply
    36,086.94x = 54,116.54 × 12,390.08
  4. Step 4: Simplify right side
    36,086.94x = 670,508,259.92
  5. Step 5: Solve for x
    x = 670,508,259.92/36,086.94
  6. Step 6: Final answer
    x = 18,580.36

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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.