Home / 36,334.12-54,480.66-12,630.76

Finding the Fourth Proportional to 36,334.12, 54,480.66 and 12,630.76

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Solution

The fourth proportional to 36,334.12, 54,480.66 and 12,630.76 is: 18,939.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,334.12 : 54,480.66 = 12,630.76 : x
  2. Step 2: Convert to fraction form
    36,334.12/54,480.66 = 12,630.76/x
  3. Step 3: Cross multiply
    36,334.12x = 54,480.66 × 12,630.76
  4. Step 4: Simplify right side
    36,334.12x = 688,132,141.10
  5. Step 5: Solve for x
    x = 688,132,141.10/36,334.12
  6. Step 6: Final answer
    x = 18,939.01

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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.