Home / 33,981.48-50,973.12-20,039.58

Finding the Fourth Proportional to 33,981.48, 50,973.12 and 20,039.58

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Solution

The fourth proportional to 33,981.48, 50,973.12 and 20,039.58 is: 30,059.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,981.48 : 50,973.12 = 20,039.58 : x
  2. Step 2: Convert to fraction form
    33,981.48/50,973.12 = 20,039.58/x
  3. Step 3: Cross multiply
    33,981.48x = 50,973.12 × 20,039.58
  4. Step 4: Simplify right side
    33,981.48x = 1,021,479,916.09
  5. Step 5: Solve for x
    x = 1,021,479,916.09/33,981.48
  6. Step 6: Final answer
    x = 30,059.90

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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.