Home / 51,741.12-71,403.84-29,384.64

Finding the Fourth Proportional to 51,741.12, 71,403.84 and 29,384.64

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Solution

The fourth proportional to 51,741.12, 71,403.84 and 29,384.64 is: 40,551.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,741.12 : 71,403.84 = 29,384.64 : x
  2. Step 2: Convert to fraction form
    51,741.12/71,403.84 = 29,384.64/x
  3. Step 3: Cross multiply
    51,741.12x = 71,403.84 × 29,384.64
  4. Step 4: Simplify right side
    51,741.12x = 2,098,176,133.02
  5. Step 5: Solve for x
    x = 2,098,176,133.02/51,741.12
  6. Step 6: Final answer
    x = 40,551.42

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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.