Home / 30,193.40-41,666.99-16,764.68

Finding the Fourth Proportional to 30,193.40, 41,666.99 and 16,764.68

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Solution

The fourth proportional to 30,193.40, 41,666.99 and 16,764.68 is: 23,135.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,193.40 : 41,666.99 = 16,764.68 : x
  2. Step 2: Convert to fraction form
    30,193.40/41,666.99 = 16,764.68/x
  3. Step 3: Cross multiply
    30,193.40x = 41,666.99 × 16,764.68
  4. Step 4: Simplify right side
    30,193.40x = 698,533,461.75
  5. Step 5: Solve for x
    x = 698,533,461.75/30,193.40
  6. Step 6: Final answer
    x = 23,135.31

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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.