Home / 45,741.52-68,516.92-36,808.72

Finding the Fourth Proportional to 45,741.52, 68,516.92 and 36,808.72

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Solution

The fourth proportional to 45,741.52, 68,516.92 and 36,808.72 is: 55,136.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,741.52 : 68,516.92 = 36,808.72 : x
  2. Step 2: Convert to fraction form
    45,741.52/68,516.92 = 36,808.72/x
  3. Step 3: Cross multiply
    45,741.52x = 68,516.92 × 36,808.72
  4. Step 4: Simplify right side
    45,741.52x = 2,522,020,123.54
  5. Step 5: Solve for x
    x = 2,522,020,123.54/45,741.52
  6. Step 6: Final answer
    x = 55,136.34

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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.