Home / 43,830.60-65,729.70-14,249.40

Finding the Fourth Proportional to 43,830.60, 65,729.70 and 14,249.40

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Solution

The fourth proportional to 43,830.60, 65,729.70 and 14,249.40 is: 21,368.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,830.60 : 65,729.70 = 14,249.40 : x
  2. Step 2: Convert to fraction form
    43,830.60/65,729.70 = 14,249.40/x
  3. Step 3: Cross multiply
    43,830.60x = 65,729.70 × 14,249.40
  4. Step 4: Simplify right side
    43,830.60x = 936,608,787.18
  5. Step 5: Solve for x
    x = 936,608,787.18/43,830.60
  6. Step 6: Final answer
    x = 21,368.83

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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.