Home / 45,453.58-68,191.14-14,288.86

Finding the Fourth Proportional to 45,453.58, 68,191.14 and 14,288.86

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Solution

The fourth proportional to 45,453.58, 68,191.14 and 14,288.86 is: 21,436.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,453.58 : 68,191.14 = 14,288.86 : x
  2. Step 2: Convert to fraction form
    45,453.58/68,191.14 = 14,288.86/x
  3. Step 3: Cross multiply
    45,453.58x = 68,191.14 × 14,288.86
  4. Step 4: Simplify right side
    45,453.58x = 974,373,652.70
  5. Step 5: Solve for x
    x = 974,373,652.70/45,453.58
  6. Step 6: Final answer
    x = 21,436.68

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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.