Home / 45,751.83-68,628.55-12,475.41

Finding the Fourth Proportional to 45,751.83, 68,628.55 and 12,475.41

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Solution

The fourth proportional to 45,751.83, 68,628.55 and 12,475.41 is: 18,713.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,751.83 : 68,628.55 = 12,475.41 : x
  2. Step 2: Convert to fraction form
    45,751.83/68,628.55 = 12,475.41/x
  3. Step 3: Cross multiply
    45,751.83x = 68,628.55 × 12,475.41
  4. Step 4: Simplify right side
    45,751.83x = 856,169,298.96
  5. Step 5: Solve for x
    x = 856,169,298.96/45,751.83
  6. Step 6: Final answer
    x = 18,713.33

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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.