Home / 33,056.39-45,625.92-20,312.66

Finding the Fourth Proportional to 33,056.39, 45,625.92 and 20,312.66

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Solution

The fourth proportional to 33,056.39, 45,625.92 and 20,312.66 is: 28,036.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,056.39 : 45,625.92 = 20,312.66 : x
  2. Step 2: Convert to fraction form
    33,056.39/45,625.92 = 20,312.66/x
  3. Step 3: Cross multiply
    33,056.39x = 45,625.92 × 20,312.66
  4. Step 4: Simplify right side
    33,056.39x = 926,783,800.15
  5. Step 5: Solve for x
    x = 926,783,800.15/33,056.39
  6. Step 6: Final answer
    x = 28,036.45

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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.