Home / 45,409.05-62,665.94-28,407.85

Finding the Fourth Proportional to 45,409.05, 62,665.94 and 28,407.85

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Solution

The fourth proportional to 45,409.05, 62,665.94 and 28,407.85 is: 39,203.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,409.05 : 62,665.94 = 28,407.85 : x
  2. Step 2: Convert to fraction form
    45,409.05/62,665.94 = 28,407.85/x
  3. Step 3: Cross multiply
    45,409.05x = 62,665.94 × 28,407.85
  4. Step 4: Simplify right side
    45,409.05x = 1,780,204,537.98
  5. Step 5: Solve for x
    x = 1,780,204,537.98/45,409.05
  6. Step 6: Final answer
    x = 39,203.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.