Home / 38,661.30-53,353.90-36,889.82

Finding the Fourth Proportional to 38,661.30, 53,353.90 and 36,889.82

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Solution

The fourth proportional to 38,661.30, 53,353.90 and 36,889.82 is: 50,909.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,661.30 : 53,353.90 = 36,889.82 : x
  2. Step 2: Convert to fraction form
    38,661.30/53,353.90 = 36,889.82/x
  3. Step 3: Cross multiply
    38,661.30x = 53,353.90 × 36,889.82
  4. Step 4: Simplify right side
    38,661.30x = 1,968,215,767.30
  5. Step 5: Solve for x
    x = 1,968,215,767.30/38,661.30
  6. Step 6: Final answer
    x = 50,909.20

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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.