Home / 36,022.92-49,712.34-20,916.84

Finding the Fourth Proportional to 36,022.92, 49,712.34 and 20,916.84

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Solution

The fourth proportional to 36,022.92, 49,712.34 and 20,916.84 is: 28,865.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,022.92 : 49,712.34 = 20,916.84 : x
  2. Step 2: Convert to fraction form
    36,022.92/49,712.34 = 20,916.84/x
  3. Step 3: Cross multiply
    36,022.92x = 49,712.34 × 20,916.84
  4. Step 4: Simplify right side
    36,022.92x = 1,039,825,061.81
  5. Step 5: Solve for x
    x = 1,039,825,061.81/36,022.92
  6. Step 6: Final answer
    x = 28,865.65

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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.