Home / 43,512.41-65,276.78-13,922.30

Finding the Fourth Proportional to 43,512.41, 65,276.78 and 13,922.30

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Solution

The fourth proportional to 43,512.41, 65,276.78 and 13,922.30 is: 20,886.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,512.41 : 65,276.78 = 13,922.30 : x
  2. Step 2: Convert to fraction form
    43,512.41/65,276.78 = 13,922.30/x
  3. Step 3: Cross multiply
    43,512.41x = 65,276.78 × 13,922.30
  4. Step 4: Simplify right side
    43,512.41x = 908,802,914.19
  5. Step 5: Solve for x
    x = 908,802,914.19/43,512.41
  6. Step 6: Final answer
    x = 20,886.06

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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.