Home / 43,221.40-64,880.70-33,404.20

Finding the Fourth Proportional to 43,221.40, 64,880.70 and 33,404.20

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Solution

The fourth proportional to 43,221.40, 64,880.70 and 33,404.20 is: 50,143.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,221.40 : 64,880.70 = 33,404.20 : x
  2. Step 2: Convert to fraction form
    43,221.40/64,880.70 = 33,404.20/x
  3. Step 3: Cross multiply
    43,221.40x = 64,880.70 × 33,404.20
  4. Step 4: Simplify right side
    43,221.40x = 2,167,287,878.94
  5. Step 5: Solve for x
    x = 2,167,287,878.94/43,221.40
  6. Step 6: Final answer
    x = 50,143.86

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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.