Home / 33,095.15-45,672.29-20,355.81

Finding the Fourth Proportional to 33,095.15, 45,672.29 and 20,355.81

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Solution

The fourth proportional to 33,095.15, 45,672.29 and 20,355.81 is: 28,091.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,095.15 : 45,672.29 = 20,355.81 : x
  2. Step 2: Convert to fraction form
    33,095.15/45,672.29 = 20,355.81/x
  3. Step 3: Cross multiply
    33,095.15x = 45,672.29 × 20,355.81
  4. Step 4: Simplify right side
    33,095.15x = 929,696,260.79
  5. Step 5: Solve for x
    x = 929,696,260.79/33,095.15
  6. Step 6: Final answer
    x = 28,091.62

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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.