Home / 36,076.68-54,117.68-12,385.96

Finding the Fourth Proportional to 36,076.68, 54,117.68 and 12,385.96

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Solution

The fourth proportional to 36,076.68, 54,117.68 and 12,385.96 is: 18,579.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.68 : 54,117.68 = 12,385.96 : x
  2. Step 2: Convert to fraction form
    36,076.68/54,117.68 = 12,385.96/x
  3. Step 3: Cross multiply
    36,076.68x = 54,117.68 × 12,385.96
  4. Step 4: Simplify right side
    36,076.68x = 670,299,419.77
  5. Step 5: Solve for x
    x = 670,299,419.77/36,076.68
  6. Step 6: Final answer
    x = 18,579.85

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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.