Home / 36,047.79-49,747.38-20,734.32

Finding the Fourth Proportional to 36,047.79, 49,747.38 and 20,734.32

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Solution

The fourth proportional to 36,047.79, 49,747.38 and 20,734.32 is: 28,614.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,047.79 : 49,747.38 = 20,734.32 : x
  2. Step 2: Convert to fraction form
    36,047.79/49,747.38 = 20,734.32/x
  3. Step 3: Cross multiply
    36,047.79x = 49,747.38 × 20,734.32
  4. Step 4: Simplify right side
    36,047.79x = 1,031,478,181.60
  5. Step 5: Solve for x
    x = 1,031,478,181.60/36,047.79
  6. Step 6: Final answer
    x = 28,614.18

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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.