Home / 45,003.12-62,057.79-38,650.75

Finding the Fourth Proportional to 45,003.12, 62,057.79 and 38,650.75

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Solution

The fourth proportional to 45,003.12, 62,057.79 and 38,650.75 is: 53,298.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,003.12 : 62,057.79 = 38,650.75 : x
  2. Step 2: Convert to fraction form
    45,003.12/62,057.79 = 38,650.75/x
  3. Step 3: Cross multiply
    45,003.12x = 62,057.79 × 38,650.75
  4. Step 4: Simplify right side
    45,003.12x = 2,398,579,623.30
  5. Step 5: Solve for x
    x = 2,398,579,623.30/45,003.12
  6. Step 6: Final answer
    x = 53,298.07

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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.