Home / 45,434.70-68,125.32-19,125.18

Finding the Fourth Proportional to 45,434.70, 68,125.32 and 19,125.18

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Solution

The fourth proportional to 45,434.70, 68,125.32 and 19,125.18 is: 28,676.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,434.70 : 68,125.32 = 19,125.18 : x
  2. Step 2: Convert to fraction form
    45,434.70/68,125.32 = 19,125.18/x
  3. Step 3: Cross multiply
    45,434.70x = 68,125.32 × 19,125.18
  4. Step 4: Simplify right side
    45,434.70x = 1,302,909,007.56
  5. Step 5: Solve for x
    x = 1,302,909,007.56/45,434.70
  6. Step 6: Final answer
    x = 28,676.52

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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.