Home / 20,329.39-30,497.50-7,001.85

Finding the Fourth Proportional to 20,329.39, 30,497.50 and 7,001.85

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Solution

The fourth proportional to 20,329.39, 30,497.50 and 7,001.85 is: 10,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,329.39 : 30,497.50 = 7,001.85 : x
  2. Step 2: Convert to fraction form
    20,329.39/30,497.50 = 7,001.85/x
  3. Step 3: Cross multiply
    20,329.39x = 30,497.50 × 7,001.85
  4. Step 4: Simplify right side
    20,329.39x = 213,538,920.38
  5. Step 5: Solve for x
    x = 213,538,920.38/20,329.39
  6. Step 6: Final answer
    x = 10,503.95

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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.