Home / 50,176.92-75,301.08-20,621.64

Finding the Fourth Proportional to 50,176.92, 75,301.08 and 20,621.64

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Solution

The fourth proportional to 50,176.92, 75,301.08 and 20,621.64 is: 30,947.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,176.92 : 75,301.08 = 20,621.64 : x
  2. Step 2: Convert to fraction form
    50,176.92/75,301.08 = 20,621.64/x
  3. Step 3: Cross multiply
    50,176.92x = 75,301.08 × 20,621.64
  4. Step 4: Simplify right side
    50,176.92x = 1,552,831,763.37
  5. Step 5: Solve for x
    x = 1,552,831,763.37/50,176.92
  6. Step 6: Final answer
    x = 30,947.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.