Home / 37,288.94-51,477.78-28,771.93

Finding the Fourth Proportional to 37,288.94, 51,477.78 and 28,771.93

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Solution

The fourth proportional to 37,288.94, 51,477.78 and 28,771.93 is: 39,719.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,288.94 : 51,477.78 = 28,771.93 : x
  2. Step 2: Convert to fraction form
    37,288.94/51,477.78 = 28,771.93/x
  3. Step 3: Cross multiply
    37,288.94x = 51,477.78 × 28,771.93
  4. Step 4: Simplify right side
    37,288.94x = 1,481,115,061.92
  5. Step 5: Solve for x
    x = 1,481,115,061.92/37,288.94
  6. Step 6: Final answer
    x = 39,719.95

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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.