Home / 36,079.66-54,119.14-9,784.40

Finding the Fourth Proportional to 36,079.66, 54,119.14 and 9,784.40

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Solution

The fourth proportional to 36,079.66, 54,119.14 and 9,784.40 is: 14,676.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,079.66 : 54,119.14 = 9,784.40 : x
  2. Step 2: Convert to fraction form
    36,079.66/54,119.14 = 9,784.40/x
  3. Step 3: Cross multiply
    36,079.66x = 54,119.14 × 9,784.40
  4. Step 4: Simplify right side
    36,079.66x = 529,523,313.42
  5. Step 5: Solve for x
    x = 529,523,313.42/36,079.66
  6. Step 6: Final answer
    x = 14,676.51

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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.