Home / 54,677.35-82,019.40-17,238.70

Finding the Fourth Proportional to 54,677.35, 82,019.40 and 17,238.70

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Solution

The fourth proportional to 54,677.35, 82,019.40 and 17,238.70 is: 25,859.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.35 : 82,019.40 = 17,238.70 : x
  2. Step 2: Convert to fraction form
    54,677.35/82,019.40 = 17,238.70/x
  3. Step 3: Cross multiply
    54,677.35x = 82,019.40 × 17,238.70
  4. Step 4: Simplify right side
    54,677.35x = 1,413,907,830.78
  5. Step 5: Solve for x
    x = 1,413,907,830.78/54,677.35
  6. Step 6: Final answer
    x = 25,859.11

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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.