Home / 34,273.86-47,298.56-20,845.68

Finding the Fourth Proportional to 34,273.86, 47,298.56 and 20,845.68

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Solution

The fourth proportional to 34,273.86, 47,298.56 and 20,845.68 is: 28,767.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,273.86 : 47,298.56 = 20,845.68 : x
  2. Step 2: Convert to fraction form
    34,273.86/47,298.56 = 20,845.68/x
  3. Step 3: Cross multiply
    34,273.86x = 47,298.56 × 20,845.68
  4. Step 4: Simplify right side
    34,273.86x = 985,970,541.99
  5. Step 5: Solve for x
    x = 985,970,541.99/34,273.86
  6. Step 6: Final answer
    x = 28,767.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.