Home / 65,869.35-98,770.41-21,467.58

Finding the Fourth Proportional to 65,869.35, 98,770.41 and 21,467.58

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Solution

The fourth proportional to 65,869.35, 98,770.41 and 21,467.58 is: 32,190.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,869.35 : 98,770.41 = 21,467.58 : x
  2. Step 2: Convert to fraction form
    65,869.35/98,770.41 = 21,467.58/x
  3. Step 3: Cross multiply
    65,869.35x = 98,770.41 × 21,467.58
  4. Step 4: Simplify right side
    65,869.35x = 2,120,361,678.31
  5. Step 5: Solve for x
    x = 2,120,361,678.31/65,869.35
  6. Step 6: Final answer
    x = 32,190.41

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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.