Home / 33,101.22-45,678.87-18,952.86

Finding the Fourth Proportional to 33,101.22, 45,678.87 and 18,952.86

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Solution

The fourth proportional to 33,101.22, 45,678.87 and 18,952.86 is: 26,154.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,101.22 : 45,678.87 = 18,952.86 : x
  2. Step 2: Convert to fraction form
    33,101.22/45,678.87 = 18,952.86/x
  3. Step 3: Cross multiply
    33,101.22x = 45,678.87 × 18,952.86
  4. Step 4: Simplify right side
    33,101.22x = 865,745,228.07
  5. Step 5: Solve for x
    x = 865,745,228.07/33,101.22
  6. Step 6: Final answer
    x = 26,154.48

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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.