Home / 30,177.75-41,646.03-16,929.75

Finding the Fourth Proportional to 30,177.75, 41,646.03 and 16,929.75

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Solution

The fourth proportional to 30,177.75, 41,646.03 and 16,929.75 is: 23,363.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,177.75 : 41,646.03 = 16,929.75 : x
  2. Step 2: Convert to fraction form
    30,177.75/41,646.03 = 16,929.75/x
  3. Step 3: Cross multiply
    30,177.75x = 41,646.03 × 16,929.75
  4. Step 4: Simplify right side
    30,177.75x = 705,056,876.39
  5. Step 5: Solve for x
    x = 705,056,876.39/30,177.75
  6. Step 6: Final answer
    x = 23,363.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.