Home / 43,759.20-65,595.60-21,554.40

Finding the Fourth Proportional to 43,759.20, 65,595.60 and 21,554.40

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Solution

The fourth proportional to 43,759.20, 65,595.60 and 21,554.40 is: 32,310.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,759.20 : 65,595.60 = 21,554.40 : x
  2. Step 2: Convert to fraction form
    43,759.20/65,595.60 = 21,554.40/x
  3. Step 3: Cross multiply
    43,759.20x = 65,595.60 × 21,554.40
  4. Step 4: Simplify right side
    43,759.20x = 1,413,873,800.64
  5. Step 5: Solve for x
    x = 1,413,873,800.64/43,759.20
  6. Step 6: Final answer
    x = 32,310.32

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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.