Home / 45,739.20-68,601.84-12,461.88

Finding the Fourth Proportional to 45,739.20, 68,601.84 and 12,461.88

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Solution

The fourth proportional to 45,739.20, 68,601.84 and 12,461.88 is: 18,690.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,739.20 : 68,601.84 = 12,461.88 : x
  2. Step 2: Convert to fraction form
    45,739.20/68,601.84 = 12,461.88/x
  3. Step 3: Cross multiply
    45,739.20x = 68,601.84 × 12,461.88
  4. Step 4: Simplify right side
    45,739.20x = 854,907,897.86
  5. Step 5: Solve for x
    x = 854,907,897.86/45,739.20
  6. Step 6: Final answer
    x = 18,690.92

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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.