Home / 38,576.16-57,861.72-12,299.76

Finding the Fourth Proportional to 38,576.16, 57,861.72 and 12,299.76

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Solution

The fourth proportional to 38,576.16, 57,861.72 and 12,299.76 is: 18,448.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,576.16 : 57,861.72 = 12,299.76 : x
  2. Step 2: Convert to fraction form
    38,576.16/57,861.72 = 12,299.76/x
  3. Step 3: Cross multiply
    38,576.16x = 57,861.72 × 12,299.76
  4. Step 4: Simplify right side
    38,576.16x = 711,685,269.19
  5. Step 5: Solve for x
    x = 711,685,269.19/38,576.16
  6. Step 6: Final answer
    x = 18,448.84

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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.