Home / 36,326.85-54,486.19-12,630.30

Finding the Fourth Proportional to 36,326.85, 54,486.19 and 12,630.30

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Solution

The fourth proportional to 36,326.85, 54,486.19 and 12,630.30 is: 18,944.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,326.85 : 54,486.19 = 12,630.30 : x
  2. Step 2: Convert to fraction form
    36,326.85/54,486.19 = 12,630.30/x
  3. Step 3: Cross multiply
    36,326.85x = 54,486.19 × 12,630.30
  4. Step 4: Simplify right side
    36,326.85x = 688,176,925.56
  5. Step 5: Solve for x
    x = 688,176,925.56/36,326.85
  6. Step 6: Final answer
    x = 18,944.03

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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.