Home / 35,939.56-49,593.72-21,800.20

Finding the Fourth Proportional to 35,939.56, 49,593.72 and 21,800.20

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Solution

The fourth proportional to 35,939.56, 49,593.72 and 21,800.20 is: 30,082.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,939.56 : 49,593.72 = 21,800.20 : x
  2. Step 2: Convert to fraction form
    35,939.56/49,593.72 = 21,800.20/x
  3. Step 3: Cross multiply
    35,939.56x = 49,593.72 × 21,800.20
  4. Step 4: Simplify right side
    35,939.56x = 1,081,153,014.74
  5. Step 5: Solve for x
    x = 1,081,153,014.74/35,939.56
  6. Step 6: Final answer
    x = 30,082.53

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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.