Home / 20,257.04-30,341.82-19,761.32

Finding the Fourth Proportional to 20,257.04, 30,341.82 and 19,761.32

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Solution

The fourth proportional to 20,257.04, 30,341.82 and 19,761.32 is: 29,599.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,257.04 : 30,341.82 = 19,761.32 : x
  2. Step 2: Convert to fraction form
    20,257.04/30,341.82 = 19,761.32/x
  3. Step 3: Cross multiply
    20,257.04x = 30,341.82 × 19,761.32
  4. Step 4: Simplify right side
    20,257.04x = 599,594,414.40
  5. Step 5: Solve for x
    x = 599,594,414.40/20,257.04
  6. Step 6: Final answer
    x = 29,599.31

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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.