Home / 72,314.42-108,313.70-30,066.39

Finding the Fourth Proportional to 72,314.42, 108,313.70 and 30,066.39

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Solution

The fourth proportional to 72,314.42, 108,313.70 and 30,066.39 is: 45,033.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,314.42 : 108,313.70 = 30,066.39 : x
  2. Step 2: Convert to fraction form
    72,314.42/108,313.70 = 30,066.39/x
  3. Step 3: Cross multiply
    72,314.42x = 108,313.70 × 30,066.39
  4. Step 4: Simplify right side
    72,314.42x = 3,256,601,796.21
  5. Step 5: Solve for x
    x = 3,256,601,796.21/72,314.42
  6. Step 6: Final answer
    x = 45,033.92

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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.