Home / 36,100.56-54,137.01-12,403.71

Finding the Fourth Proportional to 36,100.56, 54,137.01 and 12,403.71

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Solution

The fourth proportional to 36,100.56, 54,137.01 and 12,403.71 is: 18,600.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,100.56 : 54,137.01 = 12,403.71 : x
  2. Step 2: Convert to fraction form
    36,100.56/54,137.01 = 12,403.71/x
  3. Step 3: Cross multiply
    36,100.56x = 54,137.01 × 12,403.71
  4. Step 4: Simplify right side
    36,100.56x = 671,499,772.31
  5. Step 5: Solve for x
    x = 671,499,772.31/36,100.56
  6. Step 6: Final answer
    x = 18,600.81

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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.