Home / 20,496.49-30,785.70-19,823.92

Finding the Fourth Proportional to 20,496.49, 30,785.70 and 19,823.92

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Solution

The fourth proportional to 20,496.49, 30,785.70 and 19,823.92 is: 29,775.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,496.49 : 30,785.70 = 19,823.92 : x
  2. Step 2: Convert to fraction form
    20,496.49/30,785.70 = 19,823.92/x
  3. Step 3: Cross multiply
    20,496.49x = 30,785.70 × 19,823.92
  4. Step 4: Simplify right side
    20,496.49x = 610,293,253.94
  5. Step 5: Solve for x
    x = 610,293,253.94/20,496.49
  6. Step 6: Final answer
    x = 29,775.50

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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.