Home / 79,448.92-119,173.27-20,284.60

Finding the Fourth Proportional to 79,448.92, 119,173.27 and 20,284.60

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Solution

The fourth proportional to 79,448.92, 119,173.27 and 20,284.60 is: 30,426.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,448.92 : 119,173.27 = 20,284.60 : x
  2. Step 2: Convert to fraction form
    79,448.92/119,173.27 = 20,284.60/x
  3. Step 3: Cross multiply
    79,448.92x = 119,173.27 × 20,284.60
  4. Step 4: Simplify right side
    79,448.92x = 2,417,382,112.64
  5. Step 5: Solve for x
    x = 2,417,382,112.64/79,448.92
  6. Step 6: Final answer
    x = 30,426.87

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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.