Home / 34,979.36-52,469.68-12,792.72

Finding the Fourth Proportional to 34,979.36, 52,469.68 and 12,792.72

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Solution

The fourth proportional to 34,979.36, 52,469.68 and 12,792.72 is: 19,189.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,979.36 : 52,469.68 = 12,792.72 : x
  2. Step 2: Convert to fraction form
    34,979.36/52,469.68 = 12,792.72/x
  3. Step 3: Cross multiply
    34,979.36x = 52,469.68 × 12,792.72
  4. Step 4: Simplify right side
    34,979.36x = 671,229,924.73
  5. Step 5: Solve for x
    x = 671,229,924.73/34,979.36
  6. Step 6: Final answer
    x = 19,189.31

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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.