Home / 33,985.28-50,920.40-20,810.14

Finding the Fourth Proportional to 33,985.28, 50,920.40 and 20,810.14

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Solution

The fourth proportional to 33,985.28, 50,920.40 and 20,810.14 is: 31,179.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,985.28 : 50,920.40 = 20,810.14 : x
  2. Step 2: Convert to fraction form
    33,985.28/50,920.40 = 20,810.14/x
  3. Step 3: Cross multiply
    33,985.28x = 50,920.40 × 20,810.14
  4. Step 4: Simplify right side
    33,985.28x = 1,059,660,652.86
  5. Step 5: Solve for x
    x = 1,059,660,652.86/33,985.28
  6. Step 6: Final answer
    x = 31,179.99

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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.