Home / 36,200.86-54,308.54-12,509.28

Finding the Fourth Proportional to 36,200.86, 54,308.54 and 12,509.28

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Solution

The fourth proportional to 36,200.86, 54,308.54 and 12,509.28 is: 18,766.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,200.86 : 54,308.54 = 12,509.28 : x
  2. Step 2: Convert to fraction form
    36,200.86/54,308.54 = 12,509.28/x
  3. Step 3: Cross multiply
    36,200.86x = 54,308.54 × 12,509.28
  4. Step 4: Simplify right side
    36,200.86x = 679,360,733.25
  5. Step 5: Solve for x
    x = 679,360,733.25/36,200.86
  6. Step 6: Final answer
    x = 18,766.43

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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.