Home / 33,331.86-45,998.82-18,225.15

Finding the Fourth Proportional to 33,331.86, 45,998.82 and 18,225.15

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Solution

The fourth proportional to 33,331.86, 45,998.82 and 18,225.15 is: 25,151.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,331.86 : 45,998.82 = 18,225.15 : x
  2. Step 2: Convert to fraction form
    33,331.86/45,998.82 = 18,225.15/x
  3. Step 3: Cross multiply
    33,331.86x = 45,998.82 × 18,225.15
  4. Step 4: Simplify right side
    33,331.86x = 838,335,394.32
  5. Step 5: Solve for x
    x = 838,335,394.32/33,331.86
  6. Step 6: Final answer
    x = 25,151.17

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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.