Home / 45,858.95-68,788.52-12,579.49

Finding the Fourth Proportional to 45,858.95, 68,788.52 and 12,579.49

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Solution

The fourth proportional to 45,858.95, 68,788.52 and 12,579.49 is: 18,869.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,858.95 : 68,788.52 = 12,579.49 : x
  2. Step 2: Convert to fraction form
    45,858.95/68,788.52 = 12,579.49/x
  3. Step 3: Cross multiply
    45,858.95x = 68,788.52 × 12,579.49
  4. Step 4: Simplify right side
    45,858.95x = 865,324,640.48
  5. Step 5: Solve for x
    x = 865,324,640.48/45,858.95
  6. Step 6: Final answer
    x = 18,869.26

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1.5x scale

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.