Home / 39,117.78-58,676.67-15,738.75

Finding the Fourth Proportional to 39,117.78, 58,676.67 and 15,738.75

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Solution

The fourth proportional to 39,117.78, 58,676.67 and 15,738.75 is: 23,608.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,117.78 : 58,676.67 = 15,738.75 : x
  2. Step 2: Convert to fraction form
    39,117.78/58,676.67 = 15,738.75/x
  3. Step 3: Cross multiply
    39,117.78x = 58,676.67 × 15,738.75
  4. Step 4: Simplify right side
    39,117.78x = 923,497,439.96
  5. Step 5: Solve for x
    x = 923,497,439.96/39,117.78
  6. Step 6: Final answer
    x = 23,608.13

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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.