Home / 40,954.50-61,431.71-12,876.59

Finding the Fourth Proportional to 40,954.50, 61,431.71 and 12,876.59

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Solution

The fourth proportional to 40,954.50, 61,431.71 and 12,876.59 is: 19,314.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,954.50 : 61,431.71 = 12,876.59 : x
  2. Step 2: Convert to fraction form
    40,954.50/61,431.71 = 12,876.59/x
  3. Step 3: Cross multiply
    40,954.50x = 61,431.71 × 12,876.59
  4. Step 4: Simplify right side
    40,954.50x = 791,030,571.13
  5. Step 5: Solve for x
    x = 791,030,571.13/40,954.50
  6. Step 6: Final answer
    x = 19,314.86

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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.