Home / 52,178.94-78,199.20-28,425.56

Finding the Fourth Proportional to 52,178.94, 78,199.20 and 28,425.56

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Solution

The fourth proportional to 52,178.94, 78,199.20 and 28,425.56 is: 42,600.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,178.94 : 78,199.20 = 28,425.56 : x
  2. Step 2: Convert to fraction form
    52,178.94/78,199.20 = 28,425.56/x
  3. Step 3: Cross multiply
    52,178.94x = 78,199.20 × 28,425.56
  4. Step 4: Simplify right side
    52,178.94x = 2,222,855,660.56
  5. Step 5: Solve for x
    x = 2,222,855,660.56/52,178.94
  6. Step 6: Final answer
    x = 42,600.63

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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.