Home / 52,789.39-72,849.99-28,917.07

Finding the Fourth Proportional to 52,789.39, 72,849.99 and 28,917.07

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Solution

The fourth proportional to 52,789.39, 72,849.99 and 28,917.07 is: 39,905.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,789.39 : 72,849.99 = 28,917.07 : x
  2. Step 2: Convert to fraction form
    52,789.39/72,849.99 = 28,917.07/x
  3. Step 3: Cross multiply
    52,789.39x = 72,849.99 × 28,917.07
  4. Step 4: Simplify right side
    52,789.39x = 2,106,608,260.33
  5. Step 5: Solve for x
    x = 2,106,608,260.33/52,789.39
  6. Step 6: Final answer
    x = 39,905.90

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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.