Home / 51,516.81-71,099.10-28,861.92

Finding the Fourth Proportional to 51,516.81, 71,099.10 and 28,861.92

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Solution

The fourth proportional to 51,516.81, 71,099.10 and 28,861.92 is: 39,832.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,516.81 : 71,099.10 = 28,861.92 : x
  2. Step 2: Convert to fraction form
    51,516.81/71,099.10 = 28,861.92/x
  3. Step 3: Cross multiply
    51,516.81x = 71,099.10 × 28,861.92
  4. Step 4: Simplify right side
    51,516.81x = 2,052,056,536.27
  5. Step 5: Solve for x
    x = 2,052,056,536.27/51,516.81
  6. Step 6: Final answer
    x = 39,832.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.