Home / 49,784.99-74,669.38-20,201.63

Finding the Fourth Proportional to 49,784.99, 74,669.38 and 20,201.63

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Solution

The fourth proportional to 49,784.99, 74,669.38 and 20,201.63 is: 30,299.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,784.99 : 74,669.38 = 20,201.63 : x
  2. Step 2: Convert to fraction form
    49,784.99/74,669.38 = 20,201.63/x
  3. Step 3: Cross multiply
    49,784.99x = 74,669.38 × 20,201.63
  4. Step 4: Simplify right side
    49,784.99x = 1,508,443,187.09
  5. Step 5: Solve for x
    x = 1,508,443,187.09/49,784.99
  6. Step 6: Final answer
    x = 30,299.16

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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.