Home / 40,821.17-61,222.43-11,241.59

Finding the Fourth Proportional to 40,821.17, 61,222.43 and 11,241.59

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Solution

The fourth proportional to 40,821.17, 61,222.43 and 11,241.59 is: 16,859.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,821.17 : 61,222.43 = 11,241.59 : x
  2. Step 2: Convert to fraction form
    40,821.17/61,222.43 = 11,241.59/x
  3. Step 3: Cross multiply
    40,821.17x = 61,222.43 × 11,241.59
  4. Step 4: Simplify right side
    40,821.17x = 688,237,178.86
  5. Step 5: Solve for x
    x = 688,237,178.86/40,821.17
  6. Step 6: Final answer
    x = 16,859.81

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.