Home / 20,335.53-30,497.43-7,007.98

Finding the Fourth Proportional to 20,335.53, 30,497.43 and 7,007.98

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Solution

The fourth proportional to 20,335.53, 30,497.43 and 7,007.98 is: 10,509.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,335.53 : 30,497.43 = 7,007.98 : x
  2. Step 2: Convert to fraction form
    20,335.53/30,497.43 = 7,007.98/x
  3. Step 3: Cross multiply
    20,335.53x = 30,497.43 × 7,007.98
  4. Step 4: Simplify right side
    20,335.53x = 213,725,379.49
  5. Step 5: Solve for x
    x = 213,725,379.49/20,335.53
  6. Step 6: Final answer
    x = 10,509.95

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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.