Home / 43,235.20-64,871.86-18,292.46

Finding the Fourth Proportional to 43,235.20, 64,871.86 and 18,292.46

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Solution

The fourth proportional to 43,235.20, 64,871.86 and 18,292.46 is: 27,446.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,235.20 : 64,871.86 = 18,292.46 : x
  2. Step 2: Convert to fraction form
    43,235.20/64,871.86 = 18,292.46/x
  3. Step 3: Cross multiply
    43,235.20x = 64,871.86 × 18,292.46
  4. Step 4: Simplify right side
    43,235.20x = 1,186,665,904.18
  5. Step 5: Solve for x
    x = 1,186,665,904.18/43,235.20
  6. Step 6: Final answer
    x = 27,446.75

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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.