Home / 30,209.38-41,688.33-16,780.25

Finding the Fourth Proportional to 30,209.38, 41,688.33 and 16,780.25

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Solution

The fourth proportional to 30,209.38, 41,688.33 and 16,780.25 is: 23,156.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,209.38 : 41,688.33 = 16,780.25 : x
  2. Step 2: Convert to fraction form
    30,209.38/41,688.33 = 16,780.25/x
  3. Step 3: Cross multiply
    30,209.38x = 41,688.33 × 16,780.25
  4. Step 4: Simplify right side
    30,209.38x = 699,540,599.48
  5. Step 5: Solve for x
    x = 699,540,599.48/30,209.38
  6. Step 6: Final answer
    x = 23,156.40

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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.