Home / 45,862.92-68,789.77-12,586.33

Finding the Fourth Proportional to 45,862.92, 68,789.77 and 12,586.33

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Solution

The fourth proportional to 45,862.92, 68,789.77 and 12,586.33 is: 18,878.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,862.92 : 68,789.77 = 12,586.33 : x
  2. Step 2: Convert to fraction form
    45,862.92/68,789.77 = 12,586.33/x
  3. Step 3: Cross multiply
    45,862.92x = 68,789.77 × 12,586.33
  4. Step 4: Simplify right side
    45,862.92x = 865,810,542.40
  5. Step 5: Solve for x
    x = 865,810,542.40/45,862.92
  6. Step 6: Final answer
    x = 18,878.23

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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.