Home / 33,688.40-50,459.70-21,878.60

Finding the Fourth Proportional to 33,688.40, 50,459.70 and 21,878.60

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Solution

The fourth proportional to 33,688.40, 50,459.70 and 21,878.60 is: 32,770.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,688.40 : 50,459.70 = 21,878.60 : x
  2. Step 2: Convert to fraction form
    33,688.40/50,459.70 = 21,878.60/x
  3. Step 3: Cross multiply
    33,688.40x = 50,459.70 × 21,878.60
  4. Step 4: Simplify right side
    33,688.40x = 1,103,987,592.42
  5. Step 5: Solve for x
    x = 1,103,987,592.42/33,688.40
  6. Step 6: Final answer
    x = 32,770.56

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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.