Home / 45,636.98-68,450.27-12,359.63

Finding the Fourth Proportional to 45,636.98, 68,450.27 and 12,359.63

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Solution

The fourth proportional to 45,636.98, 68,450.27 and 12,359.63 is: 18,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,636.98 : 68,450.27 = 12,359.63 : x
  2. Step 2: Convert to fraction form
    45,636.98/68,450.27 = 12,359.63/x
  3. Step 3: Cross multiply
    45,636.98x = 68,450.27 × 12,359.63
  4. Step 4: Simplify right side
    45,636.98x = 846,020,212.62
  5. Step 5: Solve for x
    x = 846,020,212.62/45,636.98
  6. Step 6: Final answer
    x = 18,538.04

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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.