Home / 30,133.55-41,581.68-17,212.77

Finding the Fourth Proportional to 30,133.55, 41,581.68 and 17,212.77

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Solution

The fourth proportional to 30,133.55, 41,581.68 and 17,212.77 is: 23,752.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,133.55 : 41,581.68 = 17,212.77 : x
  2. Step 2: Convert to fraction form
    30,133.55/41,581.68 = 17,212.77/x
  3. Step 3: Cross multiply
    30,133.55x = 41,581.68 × 17,212.77
  4. Step 4: Simplify right side
    30,133.55x = 715,735,894.05
  5. Step 5: Solve for x
    x = 715,735,894.05/30,133.55
  6. Step 6: Final answer
    x = 23,752.13

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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.