Home / 45,570.64-68,355.55-14,405.90

Finding the Fourth Proportional to 45,570.64, 68,355.55 and 14,405.90

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Solution

The fourth proportional to 45,570.64, 68,355.55 and 14,405.90 is: 21,608.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,570.64 : 68,355.55 = 14,405.90 : x
  2. Step 2: Convert to fraction form
    45,570.64/68,355.55 = 14,405.90/x
  3. Step 3: Cross multiply
    45,570.64x = 68,355.55 × 14,405.90
  4. Step 4: Simplify right side
    45,570.64x = 984,723,217.75
  5. Step 5: Solve for x
    x = 984,723,217.75/45,570.64
  6. Step 6: Final answer
    x = 21,608.72

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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.