Home / 36,076.90-54,115.35-9,781.60

Finding the Fourth Proportional to 36,076.90, 54,115.35 and 9,781.60

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Solution

The fourth proportional to 36,076.90, 54,115.35 and 9,781.60 is: 14,672.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,076.90 : 54,115.35 = 9,781.60 : x
  2. Step 2: Convert to fraction form
    36,076.90/54,115.35 = 9,781.60/x
  3. Step 3: Cross multiply
    36,076.90x = 54,115.35 × 9,781.60
  4. Step 4: Simplify right side
    36,076.90x = 529,334,707.56
  5. Step 5: Solve for x
    x = 529,334,707.56/36,076.90
  6. Step 6: Final answer
    x = 14,672.40

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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.