Home / 33,221.04-45,845.64-18,113.82

Finding the Fourth Proportional to 33,221.04, 45,845.64 and 18,113.82

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Solution

The fourth proportional to 33,221.04, 45,845.64 and 18,113.82 is: 24,997.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,221.04 : 45,845.64 = 18,113.82 : x
  2. Step 2: Convert to fraction form
    33,221.04/45,845.64 = 18,113.82/x
  3. Step 3: Cross multiply
    33,221.04x = 45,845.64 × 18,113.82
  4. Step 4: Simplify right side
    33,221.04x = 830,439,670.74
  5. Step 5: Solve for x
    x = 830,439,670.74/33,221.04
  6. Step 6: Final answer
    x = 24,997.40

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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.