Home / 53,960.23-74,471.85-30,997.22

Finding the Fourth Proportional to 53,960.23, 74,471.85 and 30,997.22

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Solution

The fourth proportional to 53,960.23, 74,471.85 and 30,997.22 is: 42,780.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,960.23 : 74,471.85 = 30,997.22 : x
  2. Step 2: Convert to fraction form
    53,960.23/74,471.85 = 30,997.22/x
  3. Step 3: Cross multiply
    53,960.23x = 74,471.85 × 30,997.22
  4. Step 4: Simplify right side
    53,960.23x = 2,308,420,163.27
  5. Step 5: Solve for x
    x = 2,308,420,163.27/53,960.23
  6. Step 6: Final answer
    x = 42,780.03

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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.