Home / 52,067.84-78,085.61-18,783.57

Finding the Fourth Proportional to 52,067.84, 78,085.61 and 18,783.57

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Solution

The fourth proportional to 52,067.84, 78,085.61 and 18,783.57 is: 28,169.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,067.84 : 78,085.61 = 18,783.57 : x
  2. Step 2: Convert to fraction form
    52,067.84/78,085.61 = 18,783.57/x
  3. Step 3: Cross multiply
    52,067.84x = 78,085.61 × 18,783.57
  4. Step 4: Simplify right side
    52,067.84x = 1,466,726,790.77
  5. Step 5: Solve for x
    x = 1,466,726,790.77/52,067.84
  6. Step 6: Final answer
    x = 28,169.54

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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.