Home / 45,312.75-67,983.57-19,010.43

Finding the Fourth Proportional to 45,312.75, 67,983.57 and 19,010.43

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Solution

The fourth proportional to 45,312.75, 67,983.57 and 19,010.43 is: 28,521.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,312.75 : 67,983.57 = 19,010.43 : x
  2. Step 2: Convert to fraction form
    45,312.75/67,983.57 = 19,010.43/x
  3. Step 3: Cross multiply
    45,312.75x = 67,983.57 × 19,010.43
  4. Step 4: Simplify right side
    45,312.75x = 1,292,396,898.64
  5. Step 5: Solve for x
    x = 1,292,396,898.64/45,312.75
  6. Step 6: Final answer
    x = 28,521.71

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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.