Home / 45,263.70-67,869.24-30,287.93

Finding the Fourth Proportional to 45,263.70, 67,869.24 and 30,287.93

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Solution

The fourth proportional to 45,263.70, 67,869.24 and 30,287.93 is: 45,414.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,263.70 : 67,869.24 = 30,287.93 : x
  2. Step 2: Convert to fraction form
    45,263.70/67,869.24 = 30,287.93/x
  3. Step 3: Cross multiply
    45,263.70x = 67,869.24 × 30,287.93
  4. Step 4: Simplify right side
    45,263.70x = 2,055,618,790.27
  5. Step 5: Solve for x
    x = 2,055,618,790.27/45,263.70
  6. Step 6: Final answer
    x = 45,414.29

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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.