Home / 77,459.28-116,174.94-20,533.56

Finding the Fourth Proportional to 77,459.28, 116,174.94 and 20,533.56

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Solution

The fourth proportional to 77,459.28, 116,174.94 and 20,533.56 is: 30,796.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,459.28 : 116,174.94 = 20,533.56 : x
  2. Step 2: Convert to fraction form
    77,459.28/116,174.94 = 20,533.56/x
  3. Step 3: Cross multiply
    77,459.28x = 116,174.94 × 20,533.56
  4. Step 4: Simplify right side
    77,459.28x = 2,385,485,100.99
  5. Step 5: Solve for x
    x = 2,385,485,100.99/77,459.28
  6. Step 6: Final answer
    x = 30,796.63

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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.