Home / 51,441.59-70,992.15-28,779.23

Finding the Fourth Proportional to 51,441.59, 70,992.15 and 28,779.23

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Solution

The fourth proportional to 51,441.59, 70,992.15 and 28,779.23 is: 39,716.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,441.59 : 70,992.15 = 28,779.23 : x
  2. Step 2: Convert to fraction form
    51,441.59/70,992.15 = 28,779.23/x
  3. Step 3: Cross multiply
    51,441.59x = 70,992.15 × 28,779.23
  4. Step 4: Simplify right side
    51,441.59x = 2,043,099,725.43
  5. Step 5: Solve for x
    x = 2,043,099,725.43/51,441.59
  6. Step 6: Final answer
    x = 39,716.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.