Home / 34,876.78-52,284.39-12,686.27

Finding the Fourth Proportional to 34,876.78, 52,284.39 and 12,686.27

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Solution

The fourth proportional to 34,876.78, 52,284.39 and 12,686.27 is: 19,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,876.78 : 52,284.39 = 12,686.27 : x
  2. Step 2: Convert to fraction form
    34,876.78/52,284.39 = 12,686.27/x
  3. Step 3: Cross multiply
    34,876.78x = 52,284.39 × 12,686.27
  4. Step 4: Simplify right side
    34,876.78x = 663,293,873.43
  5. Step 5: Solve for x
    x = 663,293,873.43/34,876.78
  6. Step 6: Final answer
    x = 19,018.21

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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.