Home / 73,004.86-109,507.47-20,414.26

Finding the Fourth Proportional to 73,004.86, 109,507.47 and 20,414.26

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Solution

The fourth proportional to 73,004.86, 109,507.47 and 20,414.26 is: 30,621.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,004.86 : 109,507.47 = 20,414.26 : x
  2. Step 2: Convert to fraction form
    73,004.86/109,507.47 = 20,414.26/x
  3. Step 3: Cross multiply
    73,004.86x = 109,507.47 × 20,414.26
  4. Step 4: Simplify right side
    73,004.86x = 2,235,513,964.52
  5. Step 5: Solve for x
    x = 2,235,513,964.52/73,004.86
  6. Step 6: Final answer
    x = 30,621.44

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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.