Home / 37,824.89-56,660.78-19,078.79

Finding the Fourth Proportional to 37,824.89, 56,660.78 and 19,078.79

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Solution

The fourth proportional to 37,824.89, 56,660.78 and 19,078.79 is: 28,579.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,824.89 : 56,660.78 = 19,078.79 : x
  2. Step 2: Convert to fraction form
    37,824.89/56,660.78 = 19,078.79/x
  3. Step 3: Cross multiply
    37,824.89x = 56,660.78 × 19,078.79
  4. Step 4: Simplify right side
    37,824.89x = 1,081,018,887.25
  5. Step 5: Solve for x
    x = 1,081,018,887.25/37,824.89
  6. Step 6: Final answer
    x = 28,579.57

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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.