Home / 45,250.74-67,898.70-20,308.62

Finding the Fourth Proportional to 45,250.74, 67,898.70 and 20,308.62

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Solution

The fourth proportional to 45,250.74, 67,898.70 and 20,308.62 is: 30,473.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,250.74 : 67,898.70 = 20,308.62 : x
  2. Step 2: Convert to fraction form
    45,250.74/67,898.70 = 20,308.62/x
  3. Step 3: Cross multiply
    45,250.74x = 67,898.70 × 20,308.62
  4. Step 4: Simplify right side
    45,250.74x = 1,378,928,896.79
  5. Step 5: Solve for x
    x = 1,378,928,896.79/45,250.74
  6. Step 6: Final answer
    x = 30,473.07

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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.