Home / 20,364.67-30,545.10-7,036.42

Finding the Fourth Proportional to 20,364.67, 30,545.10 and 7,036.42

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Solution

The fourth proportional to 20,364.67, 30,545.10 and 7,036.42 is: 10,553.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,364.67 : 30,545.10 = 7,036.42 : x
  2. Step 2: Convert to fraction form
    20,364.67/30,545.10 = 7,036.42/x
  3. Step 3: Cross multiply
    20,364.67x = 30,545.10 × 7,036.42
  4. Step 4: Simplify right side
    20,364.67x = 214,928,133.45
  5. Step 5: Solve for x
    x = 214,928,133.45/20,364.67
  6. Step 6: Final answer
    x = 10,553.97

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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.