Home / 36,099.63-54,135.97-12,400.45

Finding the Fourth Proportional to 36,099.63, 54,135.97 and 12,400.45

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Solution

The fourth proportional to 36,099.63, 54,135.97 and 12,400.45 is: 18,596.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,099.63 : 54,135.97 = 12,400.45 : x
  2. Step 2: Convert to fraction form
    36,099.63/54,135.97 = 12,400.45/x
  3. Step 3: Cross multiply
    36,099.63x = 54,135.97 × 12,400.45
  4. Step 4: Simplify right side
    36,099.63x = 671,310,425.86
  5. Step 5: Solve for x
    x = 671,310,425.86/36,099.63
  6. Step 6: Final answer
    x = 18,596.05

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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.