Home / 32,770.88-45,213.12-19,337.60

Finding the Fourth Proportional to 32,770.88, 45,213.12 and 19,337.60

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Solution

The fourth proportional to 32,770.88, 45,213.12 and 19,337.60 is: 26,679.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,770.88 : 45,213.12 = 19,337.60 : x
  2. Step 2: Convert to fraction form
    32,770.88/45,213.12 = 19,337.60/x
  3. Step 3: Cross multiply
    32,770.88x = 45,213.12 × 19,337.60
  4. Step 4: Simplify right side
    32,770.88x = 874,313,229.31
  5. Step 5: Solve for x
    x = 874,313,229.31/32,770.88
  6. Step 6: Final answer
    x = 26,679.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.