Home / 45,078.70-62,187.65-29,168.29

Finding the Fourth Proportional to 45,078.70, 62,187.65 and 29,168.29

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Solution

The fourth proportional to 45,078.70, 62,187.65 and 29,168.29 is: 40,238.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,078.70 : 62,187.65 = 29,168.29 : x
  2. Step 2: Convert to fraction form
    45,078.70/62,187.65 = 29,168.29/x
  3. Step 3: Cross multiply
    45,078.70x = 62,187.65 × 29,168.29
  4. Step 4: Simplify right side
    45,078.70x = 1,813,907,171.60
  5. Step 5: Solve for x
    x = 1,813,907,171.60/45,078.70
  6. Step 6: Final answer
    x = 40,238.68

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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.