Home / 30,045.80-41,462.42-16,616.68

Finding the Fourth Proportional to 30,045.80, 41,462.42 and 16,616.68

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Solution

The fourth proportional to 30,045.80, 41,462.42 and 16,616.68 is: 22,930.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,045.80 : 41,462.42 = 16,616.68 : x
  2. Step 2: Convert to fraction form
    30,045.80/41,462.42 = 16,616.68/x
  3. Step 3: Cross multiply
    30,045.80x = 41,462.42 × 16,616.68
  4. Step 4: Simplify right side
    30,045.80x = 688,967,765.17
  5. Step 5: Solve for x
    x = 688,967,765.17/30,045.80
  6. Step 6: Final answer
    x = 22,930.58

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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.