Home / 36,336.42-54,503.10-12,649.41

Finding the Fourth Proportional to 36,336.42, 54,503.10 and 12,649.41

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Solution

The fourth proportional to 36,336.42, 54,503.10 and 12,649.41 is: 18,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,336.42 : 54,503.10 = 12,649.41 : x
  2. Step 2: Convert to fraction form
    36,336.42/54,503.10 = 12,649.41/x
  3. Step 3: Cross multiply
    36,336.42x = 54,503.10 × 12,649.41
  4. Step 4: Simplify right side
    36,336.42x = 689,432,058.17
  5. Step 5: Solve for x
    x = 689,432,058.17/36,336.42
  6. Step 6: Final answer
    x = 18,973.58

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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.