Home / 39,006.80-58,516.27-12,705.42

Finding the Fourth Proportional to 39,006.80, 58,516.27 and 12,705.42

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Solution

The fourth proportional to 39,006.80, 58,516.27 and 12,705.42 is: 19,060.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,006.80 : 58,516.27 = 12,705.42 : x
  2. Step 2: Convert to fraction form
    39,006.80/58,516.27 = 12,705.42/x
  3. Step 3: Cross multiply
    39,006.80x = 58,516.27 × 12,705.42
  4. Step 4: Simplify right side
    39,006.80x = 743,473,787.18
  5. Step 5: Solve for x
    x = 743,473,787.18/39,006.80
  6. Step 6: Final answer
    x = 19,060.11

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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.