Home / 30,824.23-42,537.13-16,676.77

Finding the Fourth Proportional to 30,824.23, 42,537.13 and 16,676.77

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Solution

The fourth proportional to 30,824.23, 42,537.13 and 16,676.77 is: 23,013.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,824.23 : 42,537.13 = 16,676.77 : x
  2. Step 2: Convert to fraction form
    30,824.23/42,537.13 = 16,676.77/x
  3. Step 3: Cross multiply
    30,824.23x = 42,537.13 × 16,676.77
  4. Step 4: Simplify right side
    30,824.23x = 709,381,850.09
  5. Step 5: Solve for x
    x = 709,381,850.09/30,824.23
  6. Step 6: Final answer
    x = 23,013.77

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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.