Home / 45,273.60-67,776.48-33,638.40

Finding the Fourth Proportional to 45,273.60, 67,776.48 and 33,638.40

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Solution

The fourth proportional to 45,273.60, 67,776.48 and 33,638.40 is: 50,358.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,273.60 : 67,776.48 = 33,638.40 : x
  2. Step 2: Convert to fraction form
    45,273.60/67,776.48 = 33,638.40/x
  3. Step 3: Cross multiply
    45,273.60x = 67,776.48 × 33,638.40
  4. Step 4: Simplify right side
    45,273.60x = 2,279,892,344.83
  5. Step 5: Solve for x
    x = 2,279,892,344.83/45,273.60
  6. Step 6: Final answer
    x = 50,358.10

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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.