Home / 30,193.12-41,666.40-16,581.48

Finding the Fourth Proportional to 30,193.12, 41,666.40 and 16,581.48

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Solution

The fourth proportional to 30,193.12, 41,666.40 and 16,581.48 is: 22,882.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.12 : 41,666.40 = 16,581.48 : x
  2. Step 2: Convert to fraction form
    30,193.12/41,666.40 = 16,581.48/x
  3. Step 3: Cross multiply
    30,193.12x = 41,666.40 × 16,581.48
  4. Step 4: Simplify right side
    30,193.12x = 690,890,578.27
  5. Step 5: Solve for x
    x = 690,890,578.27/30,193.12
  6. Step 6: Final answer
    x = 22,882.38

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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.