Home / 35,635.94-53,471.67-15,909.20

Finding the Fourth Proportional to 35,635.94, 53,471.67 and 15,909.20

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Solution

The fourth proportional to 35,635.94, 53,471.67 and 15,909.20 is: 23,871.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,635.94 : 53,471.67 = 15,909.20 : x
  2. Step 2: Convert to fraction form
    35,635.94/53,471.67 = 15,909.20/x
  3. Step 3: Cross multiply
    35,635.94x = 53,471.67 × 15,909.20
  4. Step 4: Simplify right side
    35,635.94x = 850,691,225.01
  5. Step 5: Solve for x
    x = 850,691,225.01/35,635.94
  6. Step 6: Final answer
    x = 23,871.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.