Home / 39,269.32-58,912.62-18,516.04

Finding the Fourth Proportional to 39,269.32, 58,912.62 and 18,516.04

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Solution

The fourth proportional to 39,269.32, 58,912.62 and 18,516.04 is: 27,778.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.32 : 58,912.62 = 18,516.04 : x
  2. Step 2: Convert to fraction form
    39,269.32/58,912.62 = 18,516.04/x
  3. Step 3: Cross multiply
    39,269.32x = 58,912.62 × 18,516.04
  4. Step 4: Simplify right side
    39,269.32x = 1,090,828,428.42
  5. Step 5: Solve for x
    x = 1,090,828,428.42/39,269.32
  6. Step 6: Final answer
    x = 27,778.13

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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.